88170640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 224503488

約数和(自身を除く): 136332848

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 71, 76, 80, 86, 95, 142, 152, 172, 190, 215, 284, 304, 344, 355, 361, 380, 430, 568, 688, 710, 722, 760, 817, 860, 1136, 1349, 1420, 1444, 1520, 1634, 1720, 1805, 2698, 2840, 2888, 3053, 3268, 3440, 3610, 4085, 5396, 5680, 5776, 6106, 6536, 6745, 7220, 8170, 10792, 12212, 13072, 13490, 14440, 15265, 15523, 16340, 21584, 24424, 25631, 26980, 28880, 30530, 31046, 32680, 48848, 51262, 53960, 58007, 61060, 62092, 65360, 77615, 102524, 107920, 116014, 122120, 124184, 128155, 155230, 205048, 232028, 244240, 248368, 256310, 290035, 310460, 410096, 464056, 512620, 580070, 620920, 928112, 1025240, 1102133, 1160140, 1241840, 2050480, 2204266, 2320280, 4408532, 4640560, 5510665, 8817064, 11021330, 17634128, 22042660, 44085320, 88170640]

約数ペア:

[(1, 88170640), (2, 44085320), (4, 22042660), (5, 17634128), (8, 11021330), (10, 8817064), (16, 5510665), (19, 4640560), (20, 4408532), (38, 2320280), (40, 2204266), (43, 2050480), (71, 1241840), (76, 1160140), (80, 1102133), (86, 1025240), (95, 928112), (142, 620920), (152, 580070), (172, 512620), (190, 464056), (215, 410096), (284, 310460), (304, 290035), (344, 256310), (355, 248368), (361, 244240), (380, 232028), (430, 205048), (568, 155230), (688, 128155), (710, 124184), (722, 122120), (760, 116014), (817, 107920), (860, 102524), (1136, 77615), (1349, 65360), (1420, 62092), (1444, 61060), (1520, 58007), (1634, 53960), (1720, 51262), (1805, 48848), (2698, 32680), (2840, 31046), (2888, 30530), (3053, 28880), (3268, 26980), (3440, 25631), (3610, 24424), (4085, 21584), (5396, 16340), (5680, 15523), (5776, 15265), (6106, 14440), (6536, 13490), (6745, 13072), (7220, 12212), (8170, 10792)]