4000560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 12618240

約数和(自身を除く): 8617680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 211, 237, 240, 316, 395, 422, 474, 632, 633, 790, 844, 948, 1055, 1185, 1264, 1266, 1580, 1688, 1896, 2110, 2370, 2532, 3160, 3165, 3376, 3792, 4220, 4740, 5064, 6320, 6330, 8440, 9480, 10128, 12660, 16669, 16880, 18960, 25320, 33338, 50007, 50640, 66676, 83345, 100014, 133352, 166690, 200028, 250035, 266704, 333380, 400056, 500070, 666760, 800112, 1000140, 1333520, 2000280, 4000560]

約数ペア:

[(1, 4000560), (2, 2000280), (3, 1333520), (4, 1000140), (5, 800112), (6, 666760), (8, 500070), (10, 400056), (12, 333380), (15, 266704), (16, 250035), (20, 200028), (24, 166690), (30, 133352), (40, 100014), (48, 83345), (60, 66676), (79, 50640), (80, 50007), (120, 33338), (158, 25320), (211, 18960), (237, 16880), (240, 16669), (316, 12660), (395, 10128), (422, 9480), (474, 8440), (632, 6330), (633, 6320), (790, 5064), (844, 4740), (948, 4220), (1055, 3792), (1185, 3376), (1264, 3165), (1266, 3160), (1580, 2532), (1688, 2370), (1896, 2110)]