9947080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 27578880

約数和(自身を除く): 17631800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 47, 52, 55, 65, 74, 88, 94, 104, 110, 130, 143, 148, 185, 188, 220, 235, 260, 286, 296, 370, 376, 407, 440, 470, 481, 517, 520, 572, 611, 715, 740, 814, 940, 962, 1034, 1144, 1222, 1430, 1480, 1628, 1739, 1880, 1924, 2035, 2068, 2405, 2444, 2585, 2860, 3055, 3256, 3478, 3848, 4070, 4136, 4810, 4888, 5170, 5291, 5720, 6110, 6721, 6956, 8140, 8695, 9620, 10340, 10582, 12220, 13442, 13912, 16280, 17390, 19129, 19240, 20680, 21164, 22607, 24440, 26455, 26884, 33605, 34780, 38258, 42328, 45214, 52910, 53768, 67210, 69560, 76516, 90428, 95645, 105820, 113035, 134420, 153032, 180856, 191290, 211640, 226070, 248677, 268840, 382580, 452140, 497354, 765160, 904280, 994708, 1243385, 1989416, 2486770, 4973540, 9947080]

約数ペア:

[(1, 9947080), (2, 4973540), (4, 2486770), (5, 1989416), (8, 1243385), (10, 994708), (11, 904280), (13, 765160), (20, 497354), (22, 452140), (26, 382580), (37, 268840), (40, 248677), (44, 226070), (47, 211640), (52, 191290), (55, 180856), (65, 153032), (74, 134420), (88, 113035), (94, 105820), (104, 95645), (110, 90428), (130, 76516), (143, 69560), (148, 67210), (185, 53768), (188, 52910), (220, 45214), (235, 42328), (260, 38258), (286, 34780), (296, 33605), (370, 26884), (376, 26455), (407, 24440), (440, 22607), (470, 21164), (481, 20680), (517, 19240), (520, 19129), (572, 17390), (611, 16280), (715, 13912), (740, 13442), (814, 12220), (940, 10582), (962, 10340), (1034, 9620), (1144, 8695), (1222, 8140), (1430, 6956), (1480, 6721), (1628, 6110), (1739, 5720), (1880, 5291), (1924, 5170), (2035, 4888), (2068, 4810), (2405, 4136), (2444, 4070), (2585, 3848), (2860, 3478), (3055, 3256)]