85280440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4993}}^1$

素因数の和:5072

約数の個数: 64

約数和(自身を含む): 222932160

約数和(自身を除く): 137651720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4993, 8540, 9986, 17080, 19972, 24965, 34951, 39944, 49930, 69902, 99860, 139804, 174755, 199720, 279608, 304573, 349510, 609146, 699020, 1218292, 1398040, 1522865, 2132011, 2436584, 3045730, 4264022, 6091460, 8528044, 10660055, 12182920, 17056088, 21320110, 42640220, 85280440]

約数ペア:

[(1, 85280440), (2, 42640220), (4, 21320110), (5, 17056088), (7, 12182920), (8, 10660055), (10, 8528044), (14, 6091460), (20, 4264022), (28, 3045730), (35, 2436584), (40, 2132011), (56, 1522865), (61, 1398040), (70, 1218292), (122, 699020), (140, 609146), (244, 349510), (280, 304573), (305, 279608), (427, 199720), (488, 174755), (610, 139804), (854, 99860), (1220, 69902), (1708, 49930), (2135, 39944), (2440, 34951), (3416, 24965), (4270, 19972), (4993, 17080), (8540, 9986)]