85280560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 208308096

約数和(自身を除く): 123027536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 47, 74, 80, 94, 148, 185, 188, 235, 296, 370, 376, 470, 592, 613, 740, 752, 940, 1226, 1480, 1739, 1880, 2452, 2960, 3065, 3478, 3760, 4904, 6130, 6956, 8695, 9808, 12260, 13912, 17390, 22681, 24520, 27824, 28811, 34780, 45362, 49040, 57622, 69560, 90724, 113405, 115244, 139120, 144055, 181448, 226810, 230488, 288110, 362896, 453620, 460976, 576220, 907240, 1066007, 1152440, 1814480, 2132014, 2304880, 4264028, 5330035, 8528056, 10660070, 17056112, 21320140, 42640280, 85280560]

約数ペア:

[(1, 85280560), (2, 42640280), (4, 21320140), (5, 17056112), (8, 10660070), (10, 8528056), (16, 5330035), (20, 4264028), (37, 2304880), (40, 2132014), (47, 1814480), (74, 1152440), (80, 1066007), (94, 907240), (148, 576220), (185, 460976), (188, 453620), (235, 362896), (296, 288110), (370, 230488), (376, 226810), (470, 181448), (592, 144055), (613, 139120), (740, 115244), (752, 113405), (940, 90724), (1226, 69560), (1480, 57622), (1739, 49040), (1880, 45362), (2452, 34780), (2960, 28811), (3065, 27824), (3478, 24520), (3760, 22681), (4904, 17390), (6130, 13912), (6956, 12260), (8695, 9808)]