81169840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 198871200

約数和(自身を除く): 117701360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 59, 80, 116, 118, 145, 232, 236, 290, 295, 464, 472, 580, 590, 593, 944, 1160, 1180, 1186, 1711, 2320, 2360, 2372, 2965, 3422, 4720, 4744, 5930, 6844, 8555, 9488, 11860, 13688, 17110, 17197, 23720, 27376, 34220, 34394, 34987, 47440, 68440, 68788, 69974, 85985, 136880, 137576, 139948, 171970, 174935, 275152, 279896, 343940, 349870, 559792, 687880, 699740, 1014623, 1375760, 1399480, 2029246, 2798960, 4058492, 5073115, 8116984, 10146230, 16233968, 20292460, 40584920, 81169840]

約数ペア:

[(1, 81169840), (2, 40584920), (4, 20292460), (5, 16233968), (8, 10146230), (10, 8116984), (16, 5073115), (20, 4058492), (29, 2798960), (40, 2029246), (58, 1399480), (59, 1375760), (80, 1014623), (116, 699740), (118, 687880), (145, 559792), (232, 349870), (236, 343940), (290, 279896), (295, 275152), (464, 174935), (472, 171970), (580, 139948), (590, 137576), (593, 136880), (944, 85985), (1160, 69974), (1180, 68788), (1186, 68440), (1711, 47440), (2320, 34987), (2360, 34394), (2372, 34220), (2965, 27376), (3422, 23720), (4720, 17197), (4744, 17110), (5930, 13688), (6844, 11860), (8555, 9488)]