128208560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3041}}^1$

素因数の和:3102

約数の個数: 80

約数和(自身を含む): 325907712

約数和(自身を除く): 197699152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 3041, 4216, 5270, 6082, 8432, 10540, 12164, 15205, 21080, 24328, 30410, 42160, 48656, 51697, 60820, 94271, 103394, 121640, 188542, 206788, 243280, 258485, 377084, 413576, 471355, 516970, 754168, 827152, 942710, 1033940, 1508336, 1602607, 1885420, 2067880, 3205214, 3770840, 4135760, 6410428, 7541680, 8013035, 12820856, 16026070, 25641712, 32052140, 64104280, 128208560]

約数ペア:

[(1, 128208560), (2, 64104280), (4, 32052140), (5, 25641712), (8, 16026070), (10, 12820856), (16, 8013035), (17, 7541680), (20, 6410428), (31, 4135760), (34, 3770840), (40, 3205214), (62, 2067880), (68, 1885420), (80, 1602607), (85, 1508336), (124, 1033940), (136, 942710), (155, 827152), (170, 754168), (248, 516970), (272, 471355), (310, 413576), (340, 377084), (496, 258485), (527, 243280), (620, 206788), (680, 188542), (1054, 121640), (1240, 103394), (1360, 94271), (2108, 60820), (2480, 51697), (2635, 48656), (3041, 42160), (4216, 30410), (5270, 24328), (6082, 21080), (8432, 15205), (10540, 12164)]