21640784640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4153}}^1$

素因数の和:4259

約数の個数: 288

約数和(自身を含む): 73360304640

約数和(自身を除く): 51719520000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 59, 60, 64, 69, 80, 92, 96, 115, 118, 120, 128, 138, 160, 177, 184, 192, 230, 236, 240, 256, 276, 295, 320, 345, 354, 368, 384, 460, 472, 480, 552, 590, 640, 690, 708, 736, 768, 885, 920, 944, 960, 1104, 1180, 1280, 1357, 1380, 1416, 1472, 1770, 1840, 1888, 1920, 2208, 2360, 2714, 2760, 2832, 2944, 3540, 3680, 3776, 3840, 4071, 4153, 4416, 4720, 5428, 5520, 5664, 5888, 6785, 7080, 7360, 7552, 8142, 8306, 8832, 9440, 10856, 11040, 11328, 12459, 13570, 14160, 14720, 15104, 16284, 16612, 17664, 18880, 20355, 20765, 21712, 22080, 22656, 24918, 27140, 28320, 29440, 32568, 33224, 37760, 40710, 41530, 43424, 44160, 45312, 49836, 54280, 56640, 62295, 65136, 66448, 75520, 81420, 83060, 86848, 88320, 95519, 99672, 108560, 113280, 124590, 130272, 132896, 162840, 166120, 173696, 191038, 199344, 217120, 226560, 245027, 249180, 260544, 265792, 286557, 325680, 332240, 347392, 382076, 398688, 434240, 477595, 490054, 498360, 521088, 531584, 573114, 651360, 664480, 735081, 764152, 797376, 868480, 955190, 980108, 996720, 1042176, 1063168, 1146228, 1225135, 1302720, 1328960, 1432785, 1470162, 1528304, 1594752, 1736960, 1910380, 1960216, 1993440, 2292456, 2450270, 2605440, 2657920, 2865570, 2940324, 3056608, 3189504, 3675405, 3820760, 3920432, 3986880, 4584912, 4900540, 5210880, 5315840, 5635621, 5731140, 5880648, 6113216, 7350810, 7641520, 7840864, 7973760, 9169824, 9801080, 11271242, 11462280, 11761296, 12226432, 14701620, 15283040, 15681728, 15947520, 16906863, 18339648, 19602160, 22542484, 22924560, 23522592, 24452864, 28178105, 29403240, 30566080, 31363456, 33813726, 36679296, 39204320, 45084968, 45849120, 47045184, 56356210, 58806480, 61132160, 62726912, 67627452, 73358592, 78408640, 84534315, 90169936, 91698240, 94090368, 112712420, 117612960, 122264320, 135254904, 156817280, 169068630, 180339872, 183396480, 188180736, 225424840, 235225920, 270509808, 313634560, 338137260, 360679744, 366792960, 450849680, 470451840, 541019616, 676274520, 721359488, 901699360, 940903680, 1082039232, 1352549040, 1442718976, 1803398720, 2164078464, 2705098080, 3606797440, 4328156928, 5410196160, 7213594880, 10820392320, 21640784640]

約数ペア:

[(1, 21640784640), (2, 10820392320), (3, 7213594880), (4, 5410196160), (5, 4328156928), (6, 3606797440), (8, 2705098080), (10, 2164078464), (12, 1803398720), (15, 1442718976), (16, 1352549040), (20, 1082039232), (23, 940903680), (24, 901699360), (30, 721359488), (32, 676274520), (40, 541019616), (46, 470451840), (48, 450849680), (59, 366792960), (60, 360679744), (64, 338137260), (69, 313634560), (80, 270509808), (92, 235225920), (96, 225424840), (115, 188180736), (118, 183396480), (120, 180339872), (128, 169068630), (138, 156817280), (160, 135254904), (177, 122264320), (184, 117612960), (192, 112712420), (230, 94090368), (236, 91698240), (240, 90169936), (256, 84534315), (276, 78408640), (295, 73358592), (320, 67627452), (345, 62726912), (354, 61132160), (368, 58806480), (384, 56356210), (460, 47045184), (472, 45849120), (480, 45084968), (552, 39204320), (590, 36679296), (640, 33813726), (690, 31363456), (708, 30566080), (736, 29403240), (768, 28178105), (885, 24452864), (920, 23522592), (944, 22924560), (960, 22542484), (1104, 19602160), (1180, 18339648), (1280, 16906863), (1357, 15947520), (1380, 15681728), (1416, 15283040), (1472, 14701620), (1770, 12226432), (1840, 11761296), (1888, 11462280), (1920, 11271242), (2208, 9801080), (2360, 9169824), (2714, 7973760), (2760, 7840864), (2832, 7641520), (2944, 7350810), (3540, 6113216), (3680, 5880648), (3776, 5731140), (3840, 5635621), (4071, 5315840), (4153, 5210880), (4416, 4900540), (4720, 4584912), (5428, 3986880), (5520, 3920432), (5664, 3820760), (5888, 3675405), (6785, 3189504), (7080, 3056608), (7360, 2940324), (7552, 2865570), (8142, 2657920), (8306, 2605440), (8832, 2450270), (9440, 2292456), (10856, 1993440), (11040, 1960216), (11328, 1910380), (12459, 1736960), (13570, 1594752), (14160, 1528304), (14720, 1470162), (15104, 1432785), (16284, 1328960), (16612, 1302720), (17664, 1225135), (18880, 1146228), (20355, 1063168), (20765, 1042176), (21712, 996720), (22080, 980108), (22656, 955190), (24918, 868480), (27140, 797376), (28320, 764152), (29440, 735081), (32568, 664480), (33224, 651360), (37760, 573114), (40710, 531584), (41530, 521088), (43424, 498360), (44160, 490054), (45312, 477595), (49836, 434240), (54280, 398688), (56640, 382076), (62295, 347392), (65136, 332240), (66448, 325680), (75520, 286557), (81420, 265792), (83060, 260544), (86848, 249180), (88320, 245027), (95519, 226560), (99672, 217120), (108560, 199344), (113280, 191038), (124590, 173696), (130272, 166120), (132896, 162840)]