128967420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 370976256

約数和(自身を除く): 242008836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 167, 183, 211, 244, 305, 334, 366, 422, 501, 610, 633, 668, 732, 835, 844, 915, 1002, 1055, 1220, 1266, 1670, 1830, 2004, 2110, 2505, 2532, 3165, 3340, 3660, 4220, 5010, 6330, 10020, 10187, 12660, 12871, 20374, 25742, 30561, 35237, 38613, 40748, 50935, 51484, 61122, 64355, 70474, 77226, 101870, 105711, 122244, 128710, 140948, 152805, 154452, 176185, 193065, 203740, 211422, 257420, 305610, 352370, 386130, 422844, 528555, 611220, 704740, 772260, 1057110, 2114220, 2149457, 4298914, 6448371, 8597828, 10747285, 12896742, 21494570, 25793484, 32241855, 42989140, 64483710, 128967420]

約数ペア:

[(1, 128967420), (2, 64483710), (3, 42989140), (4, 32241855), (5, 25793484), (6, 21494570), (10, 12896742), (12, 10747285), (15, 8597828), (20, 6448371), (30, 4298914), (60, 2149457), (61, 2114220), (122, 1057110), (167, 772260), (183, 704740), (211, 611220), (244, 528555), (305, 422844), (334, 386130), (366, 352370), (422, 305610), (501, 257420), (610, 211422), (633, 203740), (668, 193065), (732, 176185), (835, 154452), (844, 152805), (915, 140948), (1002, 128710), (1055, 122244), (1220, 105711), (1266, 101870), (1670, 77226), (1830, 70474), (2004, 64355), (2110, 61122), (2505, 51484), (2532, 50935), (3165, 40748), (3340, 38613), (3660, 35237), (4220, 30561), (5010, 25742), (6330, 20374), (10020, 12871), (10187, 12660)]