65420520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1763

約数の個数: 128

約数和(自身を含む): 221616000

約数和(自身を除く): 156195480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1709, 1740, 1914, 2552, 3190, 3418, 3480, 3828, 4785, 5127, 6380, 6836, 7656, 8545, 9570, 10254, 12760, 13672, 17090, 18799, 19140, 20508, 25635, 34180, 37598, 38280, 41016, 49561, 51270, 56397, 68360, 75196, 93995, 99122, 102540, 112794, 148683, 150392, 187990, 198244, 205080, 225588, 247805, 281985, 297366, 375980, 396488, 451176, 495610, 545171, 563970, 594732, 743415, 751960, 991220, 1090342, 1127940, 1189464, 1486830, 1635513, 1982440, 2180684, 2255880, 2725855, 2973660, 3271026, 4361368, 5451710, 5947320, 6542052, 8177565, 10903420, 13084104, 16355130, 21806840, 32710260, 65420520]

約数ペア:

[(1, 65420520), (2, 32710260), (3, 21806840), (4, 16355130), (5, 13084104), (6, 10903420), (8, 8177565), (10, 6542052), (11, 5947320), (12, 5451710), (15, 4361368), (20, 3271026), (22, 2973660), (24, 2725855), (29, 2255880), (30, 2180684), (33, 1982440), (40, 1635513), (44, 1486830), (55, 1189464), (58, 1127940), (60, 1090342), (66, 991220), (87, 751960), (88, 743415), (110, 594732), (116, 563970), (120, 545171), (132, 495610), (145, 451176), (165, 396488), (174, 375980), (220, 297366), (232, 281985), (264, 247805), (290, 225588), (319, 205080), (330, 198244), (348, 187990), (435, 150392), (440, 148683), (580, 112794), (638, 102540), (660, 99122), (696, 93995), (870, 75196), (957, 68360), (1160, 56397), (1276, 51270), (1320, 49561), (1595, 41016), (1709, 38280), (1740, 37598), (1914, 34180), (2552, 25635), (3190, 20508), (3418, 19140), (3480, 18799), (3828, 17090), (4785, 13672), (5127, 12760), (6380, 10254), (6836, 9570), (7656, 8545)]