28497690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 85639680

約数和(自身を除く): 57141990

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 90, 115, 117, 130, 135, 138, 195, 207, 230, 234, 270, 299, 345, 351, 353, 390, 414, 585, 598, 621, 690, 702, 706, 897, 1035, 1059, 1170, 1242, 1495, 1755, 1765, 1794, 2070, 2118, 2691, 2990, 3105, 3177, 3510, 3530, 4485, 4589, 5295, 5382, 6210, 6354, 8073, 8119, 8970, 9178, 9531, 10590, 13455, 13767, 15885, 16146, 16238, 19062, 22945, 24357, 26910, 27534, 31770, 40365, 40595, 41301, 45890, 47655, 48714, 68835, 73071, 80730, 81190, 82602, 95310, 105547, 121785, 123903, 137670, 146142, 206505, 211094, 219213, 243570, 247806, 316641, 365355, 413010, 438426, 527735, 619515, 633282, 730710, 949923, 1055470, 1096065, 1239030, 1583205, 1899846, 2192130, 2849769, 3166410, 4749615, 5699538, 9499230, 14248845, 28497690]

約数ペア:

[(1, 28497690), (2, 14248845), (3, 9499230), (5, 5699538), (6, 4749615), (9, 3166410), (10, 2849769), (13, 2192130), (15, 1899846), (18, 1583205), (23, 1239030), (26, 1096065), (27, 1055470), (30, 949923), (39, 730710), (45, 633282), (46, 619515), (54, 527735), (65, 438426), (69, 413010), (78, 365355), (90, 316641), (115, 247806), (117, 243570), (130, 219213), (135, 211094), (138, 206505), (195, 146142), (207, 137670), (230, 123903), (234, 121785), (270, 105547), (299, 95310), (345, 82602), (351, 81190), (353, 80730), (390, 73071), (414, 68835), (585, 48714), (598, 47655), (621, 45890), (690, 41301), (702, 40595), (706, 40365), (897, 31770), (1035, 27534), (1059, 26910), (1170, 24357), (1242, 22945), (1495, 19062), (1755, 16238), (1765, 16146), (1794, 15885), (2070, 13767), (2118, 13455), (2691, 10590), (2990, 9531), (3105, 9178), (3177, 8970), (3510, 8119), (3530, 8073), (4485, 6354), (4589, 6210), (5295, 5382)]