20921754240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3607}}^1$

素因数の和:3704

約数の個数: 384

約数和(自身を含む): 77504169600

約数和(自身を除く): 56582415360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 53, 57, 60, 64, 72, 76, 80, 90, 95, 96, 106, 114, 120, 128, 144, 152, 159, 160, 171, 180, 190, 192, 212, 228, 240, 265, 285, 288, 304, 318, 320, 342, 360, 380, 384, 424, 456, 477, 480, 530, 570, 576, 608, 636, 640, 684, 720, 760, 795, 848, 855, 912, 954, 960, 1007, 1060, 1140, 1152, 1216, 1272, 1368, 1440, 1520, 1590, 1696, 1710, 1824, 1908, 1920, 2014, 2120, 2280, 2385, 2432, 2544, 2736, 2880, 3021, 3040, 3180, 3392, 3420, 3607, 3648, 3816, 4028, 4240, 4560, 4770, 5035, 5088, 5472, 5760, 6042, 6080, 6360, 6784, 6840, 7214, 7296, 7632, 8056, 8480, 9063, 9120, 9540, 10070, 10176, 10821, 10944, 12084, 12160, 12720, 13680, 14428, 15105, 15264, 16112, 16960, 18035, 18126, 18240, 19080, 20140, 20352, 21642, 21888, 24168, 25440, 27360, 28856, 30210, 30528, 32224, 32463, 33920, 36070, 36252, 36480, 38160, 40280, 43284, 45315, 48336, 50880, 54105, 54720, 57712, 60420, 61056, 64448, 64926, 68533, 72140, 72504, 76320, 80560, 86568, 90630, 96672, 101760, 108210, 109440, 115424, 120840, 128896, 129852, 137066, 144280, 145008, 152640, 161120, 162315, 173136, 181260, 191171, 193344, 205599, 216420, 230848, 241680, 259704, 274132, 288560, 290016, 305280, 322240, 324630, 342665, 346272, 362520, 382342, 386688, 411198, 432840, 461696, 483360, 519408, 548264, 573513, 577120, 580032, 616797, 644480, 649260, 685330, 692544, 725040, 764684, 822396, 865680, 955855, 966720, 1027995, 1038816, 1096528, 1147026, 1154240, 1160064, 1233594, 1298520, 1370660, 1385088, 1450080, 1529368, 1644792, 1720539, 1731360, 1911710, 1933440, 2055990, 2077632, 2193056, 2294052, 2308480, 2467188, 2597040, 2741320, 2867565, 2900160, 3058736, 3083985, 3289584, 3441078, 3462720, 3632249, 3823420, 4111980, 4155264, 4386112, 4588104, 4934376, 5194080, 5482640, 5735130, 5800320, 6117472, 6167970, 6579168, 6882156, 6925440, 7264498, 7646840, 8223960, 8602695, 8772224, 9176208, 9868752, 10388160, 10896747, 10965280, 11470260, 12234944, 12335940, 13158336, 13764312, 14528996, 15293680, 16447920, 17205390, 18161245, 18352416, 19737504, 20776320, 21793494, 21930560, 22940520, 24469888, 24671880, 26316672, 27528624, 29057992, 30587360, 32690241, 32895840, 34410780, 36322490, 36704832, 39475008, 43586988, 43861120, 45881040, 49343760, 54483735, 55057248, 58115984, 61174720, 65380482, 65791680, 68821560, 72644980, 73409664, 78950016, 87173976, 91762080, 98687520, 108967470, 110114496, 116231968, 122349440, 130760964, 131583360, 137643120, 145289960, 163451205, 174347952, 183524160, 197375040, 217934940, 220228992, 232463936, 261521928, 275286240, 290579920, 326902410, 348695904, 367048320, 394750080, 435869880, 464927872, 523043856, 550572480, 581159840, 653804820, 697391808, 871739760, 1046087712, 1101144960, 1162319680, 1307609640, 1394783616, 1743479520, 2092175424, 2324639360, 2615219280, 3486959040, 4184350848, 5230438560, 6973918080, 10460877120, 20921754240]

約数ペア:

[(1, 20921754240), (2, 10460877120), (3, 6973918080), (4, 5230438560), (5, 4184350848), (6, 3486959040), (8, 2615219280), (9, 2324639360), (10, 2092175424), (12, 1743479520), (15, 1394783616), (16, 1307609640), (18, 1162319680), (19, 1101144960), (20, 1046087712), (24, 871739760), (30, 697391808), (32, 653804820), (36, 581159840), (38, 550572480), (40, 523043856), (45, 464927872), (48, 435869880), (53, 394750080), (57, 367048320), (60, 348695904), (64, 326902410), (72, 290579920), (76, 275286240), (80, 261521928), (90, 232463936), (95, 220228992), (96, 217934940), (106, 197375040), (114, 183524160), (120, 174347952), (128, 163451205), (144, 145289960), (152, 137643120), (159, 131583360), (160, 130760964), (171, 122349440), (180, 116231968), (190, 110114496), (192, 108967470), (212, 98687520), (228, 91762080), (240, 87173976), (265, 78950016), (285, 73409664), (288, 72644980), (304, 68821560), (318, 65791680), (320, 65380482), (342, 61174720), (360, 58115984), (380, 55057248), (384, 54483735), (424, 49343760), (456, 45881040), (477, 43861120), (480, 43586988), (530, 39475008), (570, 36704832), (576, 36322490), (608, 34410780), (636, 32895840), (640, 32690241), (684, 30587360), (720, 29057992), (760, 27528624), (795, 26316672), (848, 24671880), (855, 24469888), (912, 22940520), (954, 21930560), (960, 21793494), (1007, 20776320), (1060, 19737504), (1140, 18352416), (1152, 18161245), (1216, 17205390), (1272, 16447920), (1368, 15293680), (1440, 14528996), (1520, 13764312), (1590, 13158336), (1696, 12335940), (1710, 12234944), (1824, 11470260), (1908, 10965280), (1920, 10896747), (2014, 10388160), (2120, 9868752), (2280, 9176208), (2385, 8772224), (2432, 8602695), (2544, 8223960), (2736, 7646840), (2880, 7264498), (3021, 6925440), (3040, 6882156), (3180, 6579168), (3392, 6167970), (3420, 6117472), (3607, 5800320), (3648, 5735130), (3816, 5482640), (4028, 5194080), (4240, 4934376), (4560, 4588104), (4770, 4386112), (5035, 4155264), (5088, 4111980), (5472, 3823420), (5760, 3632249), (6042, 3462720), (6080, 3441078), (6360, 3289584), (6784, 3083985), (6840, 3058736), (7214, 2900160), (7296, 2867565), (7632, 2741320), (8056, 2597040), (8480, 2467188), (9063, 2308480), (9120, 2294052), (9540, 2193056), (10070, 2077632), (10176, 2055990), (10821, 1933440), (10944, 1911710), (12084, 1731360), (12160, 1720539), (12720, 1644792), (13680, 1529368), (14428, 1450080), (15105, 1385088), (15264, 1370660), (16112, 1298520), (16960, 1233594), (18035, 1160064), (18126, 1154240), (18240, 1147026), (19080, 1096528), (20140, 1038816), (20352, 1027995), (21642, 966720), (21888, 955855), (24168, 865680), (25440, 822396), (27360, 764684), (28856, 725040), (30210, 692544), (30528, 685330), (32224, 649260), (32463, 644480), (33920, 616797), (36070, 580032), (36252, 577120), (36480, 573513), (38160, 548264), (40280, 519408), (43284, 483360), (45315, 461696), (48336, 432840), (50880, 411198), (54105, 386688), (54720, 382342), (57712, 362520), (60420, 346272), (61056, 342665), (64448, 324630), (64926, 322240), (68533, 305280), (72140, 290016), (72504, 288560), (76320, 274132), (80560, 259704), (86568, 241680), (90630, 230848), (96672, 216420), (101760, 205599), (108210, 193344), (109440, 191171), (115424, 181260), (120840, 173136), (128896, 162315), (129852, 161120), (137066, 152640), (144280, 145008)]