81113736

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 236620800

約数和(自身を除く): 155507064

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 103, 114, 132, 152, 157, 206, 209, 228, 264, 309, 314, 412, 418, 456, 471, 618, 627, 628, 824, 836, 942, 1133, 1236, 1254, 1256, 1672, 1727, 1884, 1957, 2266, 2472, 2508, 2983, 3399, 3454, 3768, 3914, 4532, 5016, 5181, 5871, 5966, 6798, 6908, 7828, 8949, 9064, 10362, 11742, 11932, 13596, 13816, 15656, 16171, 17898, 20724, 21527, 23484, 23864, 27192, 32342, 32813, 35796, 41448, 43054, 46968, 48513, 64581, 64684, 65626, 71592, 86108, 97026, 98439, 129162, 129368, 131252, 172216, 177881, 194052, 196878, 258324, 262504, 307249, 355762, 388104, 393756, 516648, 533643, 614498, 711524, 787512, 921747, 1067286, 1228996, 1423048, 1843494, 2134572, 2457992, 3379739, 3686988, 4269144, 6759478, 7373976, 10139217, 13518956, 20278434, 27037912, 40556868, 81113736]

約数ペア:

[(1, 81113736), (2, 40556868), (3, 27037912), (4, 20278434), (6, 13518956), (8, 10139217), (11, 7373976), (12, 6759478), (19, 4269144), (22, 3686988), (24, 3379739), (33, 2457992), (38, 2134572), (44, 1843494), (57, 1423048), (66, 1228996), (76, 1067286), (88, 921747), (103, 787512), (114, 711524), (132, 614498), (152, 533643), (157, 516648), (206, 393756), (209, 388104), (228, 355762), (264, 307249), (309, 262504), (314, 258324), (412, 196878), (418, 194052), (456, 177881), (471, 172216), (618, 131252), (627, 129368), (628, 129162), (824, 98439), (836, 97026), (942, 86108), (1133, 71592), (1236, 65626), (1254, 64684), (1256, 64581), (1672, 48513), (1727, 46968), (1884, 43054), (1957, 41448), (2266, 35796), (2472, 32813), (2508, 32342), (2983, 27192), (3399, 23864), (3454, 23484), (3768, 21527), (3914, 20724), (4532, 17898), (5016, 16171), (5181, 15656), (5871, 13816), (5966, 13596), (6798, 11932), (6908, 11742), (7828, 10362), (8949, 9064)]