261156312

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 784602720

約数和(自身を除く): 523446408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 151, 153, 157, 162, 204, 216, 302, 306, 314, 324, 408, 453, 459, 471, 604, 612, 628, 648, 906, 918, 942, 1208, 1224, 1256, 1359, 1377, 1413, 1812, 1836, 1884, 2567, 2669, 2718, 2754, 2826, 3624, 3672, 3768, 4077, 4239, 5134, 5338, 5436, 5508, 5652, 7701, 8007, 8154, 8478, 10268, 10676, 10872, 11016, 11304, 12231, 12717, 15402, 16014, 16308, 16956, 20536, 21352, 23103, 23707, 24021, 24462, 25434, 30804, 32028, 32616, 33912, 46206, 47414, 48042, 48924, 50868, 61608, 64056, 69309, 71121, 72063, 92412, 94828, 96084, 97848, 101736, 138618, 142242, 144126, 184824, 189656, 192168, 207927, 213363, 216189, 277236, 284484, 288252, 403019, 415854, 426726, 432378, 554472, 568968, 576504, 640089, 806038, 831708, 853452, 864756, 1209057, 1280178, 1612076, 1663416, 1706904, 1729512, 1920267, 2418114, 2560356, 3224152, 3627171, 3840534, 4836228, 5120712, 7254342, 7681068, 9672456, 10881513, 14508684, 15362136, 21763026, 29017368, 32644539, 43526052, 65289078, 87052104, 130578156, 261156312]

約数ペア:

[(1, 261156312), (2, 130578156), (3, 87052104), (4, 65289078), (6, 43526052), (8, 32644539), (9, 29017368), (12, 21763026), (17, 15362136), (18, 14508684), (24, 10881513), (27, 9672456), (34, 7681068), (36, 7254342), (51, 5120712), (54, 4836228), (68, 3840534), (72, 3627171), (81, 3224152), (102, 2560356), (108, 2418114), (136, 1920267), (151, 1729512), (153, 1706904), (157, 1663416), (162, 1612076), (204, 1280178), (216, 1209057), (302, 864756), (306, 853452), (314, 831708), (324, 806038), (408, 640089), (453, 576504), (459, 568968), (471, 554472), (604, 432378), (612, 426726), (628, 415854), (648, 403019), (906, 288252), (918, 284484), (942, 277236), (1208, 216189), (1224, 213363), (1256, 207927), (1359, 192168), (1377, 189656), (1413, 184824), (1812, 144126), (1836, 142242), (1884, 138618), (2567, 101736), (2669, 97848), (2718, 96084), (2754, 94828), (2826, 92412), (3624, 72063), (3672, 71121), (3768, 69309), (4077, 64056), (4239, 61608), (5134, 50868), (5338, 48924), (5436, 48042), (5508, 47414), (5652, 46206), (7701, 33912), (8007, 32616), (8154, 32028), (8478, 30804), (10268, 25434), (10676, 24462), (10872, 24021), (11016, 23707), (11304, 23103), (12231, 21352), (12717, 20536), (15402, 16956), (16014, 16308)]