68875020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1601}}^1$

素因数の和:1855

約数の個数: 72

約数和(自身を含む): 209926080

約数和(自身を除く): 141051060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1601, 2151, 2390, 2868, 3202, 3585, 4302, 4780, 4803, 6404, 7170, 8005, 8604, 9606, 10755, 14340, 14409, 16010, 19212, 21510, 24015, 28818, 32020, 43020, 48030, 57636, 72045, 96060, 144090, 288180, 382639, 765278, 1147917, 1530556, 1913195, 2295834, 3443751, 3826390, 4591668, 5739585, 6887502, 7652780, 11479170, 13775004, 17218755, 22958340, 34437510, 68875020]

約数ペア:

[(1, 68875020), (2, 34437510), (3, 22958340), (4, 17218755), (5, 13775004), (6, 11479170), (9, 7652780), (10, 6887502), (12, 5739585), (15, 4591668), (18, 3826390), (20, 3443751), (30, 2295834), (36, 1913195), (45, 1530556), (60, 1147917), (90, 765278), (180, 382639), (239, 288180), (478, 144090), (717, 96060), (956, 72045), (1195, 57636), (1434, 48030), (1601, 43020), (2151, 32020), (2390, 28818), (2868, 24015), (3202, 21510), (3585, 19212), (4302, 16010), (4780, 14409), (4803, 14340), (6404, 10755), (7170, 9606), (8005, 8604)]