128335920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3847}}^1$

素因数の和:4002

約数の個数: 80

約数和(自身を含む): 400807680

約数和(自身を除く): 272471760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2224, 2780, 3336, 3847, 4170, 5560, 6672, 7694, 8340, 11120, 11541, 15388, 16680, 19235, 23082, 30776, 33360, 38470, 46164, 57705, 61552, 76940, 92328, 115410, 153880, 184656, 230820, 307760, 461640, 534733, 923280, 1069466, 1604199, 2138932, 2673665, 3208398, 4277864, 5347330, 6416796, 8020995, 8555728, 10694660, 12833592, 16041990, 21389320, 25667184, 32083980, 42778640, 64167960, 128335920]

約数ペア:

[(1, 128335920), (2, 64167960), (3, 42778640), (4, 32083980), (5, 25667184), (6, 21389320), (8, 16041990), (10, 12833592), (12, 10694660), (15, 8555728), (16, 8020995), (20, 6416796), (24, 5347330), (30, 4277864), (40, 3208398), (48, 2673665), (60, 2138932), (80, 1604199), (120, 1069466), (139, 923280), (240, 534733), (278, 461640), (417, 307760), (556, 230820), (695, 184656), (834, 153880), (1112, 115410), (1390, 92328), (1668, 76940), (2085, 61552), (2224, 57705), (2780, 46164), (3336, 38470), (3847, 33360), (4170, 30776), (5560, 23082), (6672, 19235), (7694, 16680), (8340, 15388), (11120, 11541)]