128649870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2327

約数の個数: 80

約数和(自身を含む): 350954208

約数和(自身を除く): 222304338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 81, 90, 135, 142, 162, 213, 270, 355, 405, 426, 639, 710, 810, 1065, 1278, 1917, 2130, 2237, 3195, 3834, 4474, 5751, 6390, 6711, 9585, 11185, 11502, 13422, 19170, 20133, 22370, 28755, 33555, 40266, 57510, 60399, 67110, 100665, 120798, 158827, 181197, 201330, 301995, 317654, 362394, 476481, 603990, 794135, 905985, 952962, 1429443, 1588270, 1811970, 2382405, 2858886, 4288329, 4764810, 7147215, 8576658, 12864987, 14294430, 21441645, 25729974, 42883290, 64324935, 128649870]

約数ペア:

[(1, 128649870), (2, 64324935), (3, 42883290), (5, 25729974), (6, 21441645), (9, 14294430), (10, 12864987), (15, 8576658), (18, 7147215), (27, 4764810), (30, 4288329), (45, 2858886), (54, 2382405), (71, 1811970), (81, 1588270), (90, 1429443), (135, 952962), (142, 905985), (162, 794135), (213, 603990), (270, 476481), (355, 362394), (405, 317654), (426, 301995), (639, 201330), (710, 181197), (810, 158827), (1065, 120798), (1278, 100665), (1917, 67110), (2130, 60399), (2237, 57510), (3195, 40266), (3834, 33555), (4474, 28755), (5751, 22370), (6390, 20133), (6711, 19170), (9585, 13422), (11185, 11502)]