39191220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{911}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 119508480

約数和(自身を除く): 80317260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 911, 956, 1195, 1434, 1822, 2151, 2390, 2733, 2868, 3585, 3644, 4302, 4555, 4780, 5466, 7170, 8199, 8604, 9110, 10755, 10932, 13665, 14340, 16398, 18220, 21510, 27330, 32796, 40995, 43020, 54660, 81990, 163980, 217729, 435458, 653187, 870916, 1088645, 1306374, 1959561, 2177290, 2612748, 3265935, 3919122, 4354580, 6531870, 7838244, 9797805, 13063740, 19595610, 39191220]

約数ペア:

[(1, 39191220), (2, 19595610), (3, 13063740), (4, 9797805), (5, 7838244), (6, 6531870), (9, 4354580), (10, 3919122), (12, 3265935), (15, 2612748), (18, 2177290), (20, 1959561), (30, 1306374), (36, 1088645), (45, 870916), (60, 653187), (90, 435458), (180, 217729), (239, 163980), (478, 81990), (717, 54660), (911, 43020), (956, 40995), (1195, 32796), (1434, 27330), (1822, 21510), (2151, 18220), (2390, 16398), (2733, 14340), (2868, 13665), (3585, 10932), (3644, 10755), (4302, 9110), (4555, 8604), (4780, 8199), (5466, 7170)]