20181597840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{3607}}^1$

素因数の和:4054

約数の個数: 240

約数和(自身を含む): 71537980800

約数和(自身を除く): 51356382960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 409, 456, 570, 684, 720, 760, 818, 855, 912, 1140, 1227, 1368, 1520, 1636, 1710, 2045, 2280, 2454, 2736, 3272, 3420, 3607, 3681, 4090, 4560, 4908, 6135, 6544, 6840, 7214, 7362, 7771, 8180, 9816, 10821, 12270, 13680, 14428, 14724, 15542, 16360, 18035, 18405, 19632, 21642, 23313, 24540, 28856, 29448, 31084, 32463, 32720, 36070, 36810, 38855, 43284, 46626, 49080, 54105, 57712, 58896, 62168, 64926, 68533, 69939, 72140, 73620, 77710, 86568, 93252, 98160, 108210, 116565, 124336, 129852, 137066, 139878, 144280, 147240, 155420, 162315, 173136, 186504, 205599, 216420, 233130, 259704, 274132, 279756, 288560, 294480, 310840, 324630, 342665, 349695, 373008, 411198, 432840, 466260, 519408, 548264, 559512, 616797, 621680, 649260, 685330, 699390, 822396, 865680, 932520, 1027995, 1096528, 1119024, 1233594, 1298520, 1370660, 1398780, 1475263, 1644792, 1865040, 2055990, 2467188, 2597040, 2741320, 2797560, 2950526, 3083985, 3289584, 4111980, 4425789, 4934376, 5482640, 5595120, 5901052, 6167970, 7376315, 8223960, 8851578, 9868752, 11802104, 12335940, 13277367, 14752630, 16447920, 17703156, 22128945, 23604208, 24671880, 26554734, 28029997, 29505260, 35406312, 44257890, 49343760, 53109468, 56059994, 59010520, 66386835, 70812624, 84089991, 88515780, 106218936, 112119988, 118021040, 132773670, 140149985, 168179982, 177031560, 212437872, 224239976, 252269973, 265547340, 280299970, 336359964, 354063120, 420449955, 448479952, 504539946, 531094680, 560599940, 672719928, 840899910, 1009079892, 1062189360, 1121199880, 1261349865, 1345439856, 1681799820, 2018159784, 2242399760, 2522699730, 3363599640, 4036319568, 5045399460, 6727199280, 10090798920, 20181597840]

約数ペア:

[(1, 20181597840), (2, 10090798920), (3, 6727199280), (4, 5045399460), (5, 4036319568), (6, 3363599640), (8, 2522699730), (9, 2242399760), (10, 2018159784), (12, 1681799820), (15, 1345439856), (16, 1261349865), (18, 1121199880), (19, 1062189360), (20, 1009079892), (24, 840899910), (30, 672719928), (36, 560599940), (38, 531094680), (40, 504539946), (45, 448479952), (48, 420449955), (57, 354063120), (60, 336359964), (72, 280299970), (76, 265547340), (80, 252269973), (90, 224239976), (95, 212437872), (114, 177031560), (120, 168179982), (144, 140149985), (152, 132773670), (171, 118021040), (180, 112119988), (190, 106218936), (228, 88515780), (240, 84089991), (285, 70812624), (304, 66386835), (342, 59010520), (360, 56059994), (380, 53109468), (409, 49343760), (456, 44257890), (570, 35406312), (684, 29505260), (720, 28029997), (760, 26554734), (818, 24671880), (855, 23604208), (912, 22128945), (1140, 17703156), (1227, 16447920), (1368, 14752630), (1520, 13277367), (1636, 12335940), (1710, 11802104), (2045, 9868752), (2280, 8851578), (2454, 8223960), (2736, 7376315), (3272, 6167970), (3420, 5901052), (3607, 5595120), (3681, 5482640), (4090, 4934376), (4560, 4425789), (4908, 4111980), (6135, 3289584), (6544, 3083985), (6840, 2950526), (7214, 2797560), (7362, 2741320), (7771, 2597040), (8180, 2467188), (9816, 2055990), (10821, 1865040), (12270, 1644792), (13680, 1475263), (14428, 1398780), (14724, 1370660), (15542, 1298520), (16360, 1233594), (18035, 1119024), (18405, 1096528), (19632, 1027995), (21642, 932520), (23313, 865680), (24540, 822396), (28856, 699390), (29448, 685330), (31084, 649260), (32463, 621680), (32720, 616797), (36070, 559512), (36810, 548264), (38855, 519408), (43284, 466260), (46626, 432840), (49080, 411198), (54105, 373008), (57712, 349695), (58896, 342665), (62168, 324630), (64926, 310840), (68533, 294480), (69939, 288560), (72140, 279756), (73620, 274132), (77710, 259704), (86568, 233130), (93252, 216420), (98160, 205599), (108210, 186504), (116565, 173136), (124336, 162315), (129852, 155420), (137066, 147240), (139878, 144280)]