287378520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16747}}^1$

素因数の和:16785

約数の個数: 128

約数和(自身を含む): 1012919040

約数和(自身を除く): 725540520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 16747, 17160, 33494, 50241, 66988, 83735, 100482, 133976, 167470, 184217, 200964, 217711, 251205, 334940, 368434, 401928, 435422, 502410, 552651, 653133, 669880, 736868, 870844, 921085, 1004820, 1088555, 1105302, 1306266, 1473736, 1741688, 1842170, 2009640, 2177110, 2210604, 2394821, 2612532, 2763255, 3265665, 3684340, 4354220, 4421208, 4789642, 5225064, 5526510, 6531330, 7184463, 7368680, 8708440, 9579284, 11053020, 11974105, 13062660, 14368926, 19158568, 22106040, 23948210, 26125320, 28737852, 35922315, 47896420, 57475704, 71844630, 95792840, 143689260, 287378520]

約数ペア:

[(1, 287378520), (2, 143689260), (3, 95792840), (4, 71844630), (5, 57475704), (6, 47896420), (8, 35922315), (10, 28737852), (11, 26125320), (12, 23948210), (13, 22106040), (15, 19158568), (20, 14368926), (22, 13062660), (24, 11974105), (26, 11053020), (30, 9579284), (33, 8708440), (39, 7368680), (40, 7184463), (44, 6531330), (52, 5526510), (55, 5225064), (60, 4789642), (65, 4421208), (66, 4354220), (78, 3684340), (88, 3265665), (104, 2763255), (110, 2612532), (120, 2394821), (130, 2210604), (132, 2177110), (143, 2009640), (156, 1842170), (165, 1741688), (195, 1473736), (220, 1306266), (260, 1105302), (264, 1088555), (286, 1004820), (312, 921085), (330, 870844), (390, 736868), (429, 669880), (440, 653133), (520, 552651), (572, 502410), (660, 435422), (715, 401928), (780, 368434), (858, 334940), (1144, 251205), (1320, 217711), (1430, 200964), (1560, 184217), (1716, 167470), (2145, 133976), (2860, 100482), (3432, 83735), (4290, 66988), (5720, 50241), (8580, 33494), (16747, 17160)]