28604320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 71608320

約数和(自身を除く): 43004000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 73, 79, 80, 124, 146, 155, 158, 160, 248, 292, 310, 316, 365, 395, 496, 584, 620, 632, 730, 790, 992, 1168, 1240, 1264, 1460, 1580, 2263, 2336, 2449, 2480, 2528, 2920, 3160, 4526, 4898, 4960, 5767, 5840, 6320, 9052, 9796, 11315, 11534, 11680, 12245, 12640, 18104, 19592, 22630, 23068, 24490, 28835, 36208, 39184, 45260, 46136, 48980, 57670, 72416, 78368, 90520, 92272, 97960, 115340, 178777, 181040, 184544, 195920, 230680, 357554, 362080, 391840, 461360, 715108, 893885, 922720, 1430216, 1787770, 2860432, 3575540, 5720864, 7151080, 14302160, 28604320]

約数ペア:

[(1, 28604320), (2, 14302160), (4, 7151080), (5, 5720864), (8, 3575540), (10, 2860432), (16, 1787770), (20, 1430216), (31, 922720), (32, 893885), (40, 715108), (62, 461360), (73, 391840), (79, 362080), (80, 357554), (124, 230680), (146, 195920), (155, 184544), (158, 181040), (160, 178777), (248, 115340), (292, 97960), (310, 92272), (316, 90520), (365, 78368), (395, 72416), (496, 57670), (584, 48980), (620, 46136), (632, 45260), (730, 39184), (790, 36208), (992, 28835), (1168, 24490), (1240, 23068), (1264, 22630), (1460, 19592), (1580, 18104), (2263, 12640), (2336, 12245), (2449, 11680), (2480, 11534), (2528, 11315), (2920, 9796), (3160, 9052), (4526, 6320), (4898, 5840), (4960, 5767)]