31782519160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{19751}}^1$

素因数の和:20597

約数の個数: 96

約数和(自身を含む): 83291418720

約数和(自身を除く): 51508899560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 821, 980, 1642, 1960, 3284, 4105, 5747, 6568, 8210, 11494, 16420, 19751, 22988, 28735, 32840, 39502, 40229, 45976, 57470, 79004, 80458, 98755, 114940, 138257, 158008, 160916, 197510, 201145, 229880, 276514, 321832, 395020, 402290, 553028, 691285, 790040, 804580, 967799, 1106056, 1382570, 1609160, 1935598, 2765140, 3871196, 4838995, 5530280, 7742392, 9677990, 16215571, 19355980, 32431142, 38711960, 64862284, 81077855, 113508997, 129724568, 162155710, 227017994, 324311420, 454035988, 567544985, 648622840, 794562979, 908071976, 1135089970, 1589125958, 2270179940, 3178251916, 3972814895, 4540359880, 6356503832, 7945629790, 15891259580, 31782519160]

約数ペア:

[(1, 31782519160), (2, 15891259580), (4, 7945629790), (5, 6356503832), (7, 4540359880), (8, 3972814895), (10, 3178251916), (14, 2270179940), (20, 1589125958), (28, 1135089970), (35, 908071976), (40, 794562979), (49, 648622840), (56, 567544985), (70, 454035988), (98, 324311420), (140, 227017994), (196, 162155710), (245, 129724568), (280, 113508997), (392, 81077855), (490, 64862284), (821, 38711960), (980, 32431142), (1642, 19355980), (1960, 16215571), (3284, 9677990), (4105, 7742392), (5747, 5530280), (6568, 4838995), (8210, 3871196), (11494, 2765140), (16420, 1935598), (19751, 1609160), (22988, 1382570), (28735, 1106056), (32840, 967799), (39502, 804580), (40229, 790040), (45976, 691285), (57470, 553028), (79004, 402290), (80458, 395020), (98755, 321832), (114940, 276514), (138257, 229880), (158008, 201145), (160916, 197510)]