61838920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 172368000

約数和(自身を除く): 110529080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 569, 572, 715, 760, 836, 988, 1045, 1138, 1144, 1235, 1430, 1672, 1976, 2090, 2276, 2470, 2717, 2845, 2860, 4180, 4552, 4940, 5434, 5690, 5720, 6259, 7397, 8360, 9880, 10811, 10868, 11380, 12518, 13585, 14794, 21622, 21736, 22760, 25036, 27170, 29588, 31295, 36985, 43244, 50072, 54055, 54340, 59176, 62590, 73970, 81367, 86488, 108110, 108680, 118921, 125180, 140543, 147940, 162734, 216220, 237842, 250360, 281086, 295880, 325468, 406835, 432440, 475684, 562172, 594605, 650936, 702715, 813670, 951368, 1124344, 1189210, 1405430, 1545973, 1627340, 2378420, 2810860, 3091946, 3254680, 4756840, 5621720, 6183892, 7729865, 12367784, 15459730, 30919460, 61838920]

約数ペア:

[(1, 61838920), (2, 30919460), (4, 15459730), (5, 12367784), (8, 7729865), (10, 6183892), (11, 5621720), (13, 4756840), (19, 3254680), (20, 3091946), (22, 2810860), (26, 2378420), (38, 1627340), (40, 1545973), (44, 1405430), (52, 1189210), (55, 1124344), (65, 951368), (76, 813670), (88, 702715), (95, 650936), (104, 594605), (110, 562172), (130, 475684), (143, 432440), (152, 406835), (190, 325468), (209, 295880), (220, 281086), (247, 250360), (260, 237842), (286, 216220), (380, 162734), (418, 147940), (440, 140543), (494, 125180), (520, 118921), (569, 108680), (572, 108110), (715, 86488), (760, 81367), (836, 73970), (988, 62590), (1045, 59176), (1138, 54340), (1144, 54055), (1235, 50072), (1430, 43244), (1672, 36985), (1976, 31295), (2090, 29588), (2276, 27170), (2470, 25036), (2717, 22760), (2845, 21736), (2860, 21622), (4180, 14794), (4552, 13585), (4940, 12518), (5434, 11380), (5690, 10868), (5720, 10811), (6259, 9880), (7397, 8360)]