268705320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7489}}^1$

素因数の和:7539

約数の個数: 128

約数和(自身を含む): 905990400

約数和(自身を除く): 637285080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 7489, 8970, 11960, 14978, 17940, 22467, 29956, 35880, 37445, 44934, 59912, 74890, 89868, 97357, 112335, 149780, 172247, 179736, 194714, 224670, 292071, 299560, 344494, 389428, 449340, 486785, 516741, 584142, 688988, 778856, 861235, 898680, 973570, 1033482, 1168284, 1377976, 1460355, 1722470, 1947140, 2066964, 2239211, 2336568, 2583705, 2920710, 3444940, 3894280, 4133928, 4478422, 5167410, 5841420, 6717633, 6889880, 8956844, 10334820, 11196055, 11682840, 13435266, 17913688, 20669640, 22392110, 26870532, 33588165, 44784220, 53741064, 67176330, 89568440, 134352660, 268705320]

約数ペア:

[(1, 268705320), (2, 134352660), (3, 89568440), (4, 67176330), (5, 53741064), (6, 44784220), (8, 33588165), (10, 26870532), (12, 22392110), (13, 20669640), (15, 17913688), (20, 13435266), (23, 11682840), (24, 11196055), (26, 10334820), (30, 8956844), (39, 6889880), (40, 6717633), (46, 5841420), (52, 5167410), (60, 4478422), (65, 4133928), (69, 3894280), (78, 3444940), (92, 2920710), (104, 2583705), (115, 2336568), (120, 2239211), (130, 2066964), (138, 1947140), (156, 1722470), (184, 1460355), (195, 1377976), (230, 1168284), (260, 1033482), (276, 973570), (299, 898680), (312, 861235), (345, 778856), (390, 688988), (460, 584142), (520, 516741), (552, 486785), (598, 449340), (690, 389428), (780, 344494), (897, 299560), (920, 292071), (1196, 224670), (1380, 194714), (1495, 179736), (1560, 172247), (1794, 149780), (2392, 112335), (2760, 97357), (2990, 89868), (3588, 74890), (4485, 59912), (5980, 44934), (7176, 37445), (7489, 35880), (8970, 29956), (11960, 22467), (14978, 17940)]