81113120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2711}}^1$

素因数の和:2754

約数の個数: 96

約数和(自身を含む): 221429376

約数和(自身を除く): 140316256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2711, 2720, 2992, 3740, 5422, 5984, 7480, 10844, 13555, 14960, 21688, 27110, 29821, 29920, 43376, 46087, 54220, 59642, 86752, 92174, 108440, 119284, 149105, 184348, 216880, 230435, 238568, 298210, 368696, 433760, 460870, 477136, 506957, 596420, 737392, 921740, 954272, 1013914, 1192840, 1474784, 1843480, 2027828, 2385680, 2534785, 3686960, 4055656, 4771360, 5069570, 7373920, 8111312, 10139140, 16222624, 20278280, 40556560, 81113120]

約数ペア:

[(1, 81113120), (2, 40556560), (4, 20278280), (5, 16222624), (8, 10139140), (10, 8111312), (11, 7373920), (16, 5069570), (17, 4771360), (20, 4055656), (22, 3686960), (32, 2534785), (34, 2385680), (40, 2027828), (44, 1843480), (55, 1474784), (68, 1192840), (80, 1013914), (85, 954272), (88, 921740), (110, 737392), (136, 596420), (160, 506957), (170, 477136), (176, 460870), (187, 433760), (220, 368696), (272, 298210), (340, 238568), (352, 230435), (374, 216880), (440, 184348), (544, 149105), (680, 119284), (748, 108440), (880, 92174), (935, 86752), (1360, 59642), (1496, 54220), (1760, 46087), (1870, 43376), (2711, 29920), (2720, 29821), (2992, 27110), (3740, 21688), (5422, 14960), (5984, 13555), (7480, 10844)]