1920454216

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 4016885760

約数和(自身を除く): 2096431544

約数列:

[1, 2, 4, 8, 31, 37, 47, 61, 62, 73, 74, 94, 122, 124, 146, 148, 188, 244, 248, 292, 296, 376, 488, 584, 1147, 1457, 1739, 1891, 2257, 2263, 2294, 2701, 2867, 2914, 3431, 3478, 3782, 4453, 4514, 4526, 4588, 5402, 5734, 5828, 6862, 6956, 7564, 8906, 9028, 9052, 9176, 10804, 11468, 11656, 13724, 13912, 15128, 17812, 18056, 18104, 21608, 22936, 27448, 35624, 53909, 69967, 83731, 88877, 106079, 106361, 107818, 126947, 138043, 139934, 164761, 167462, 177754, 209291, 212158, 212722, 215636, 253894, 276086, 279868, 329522, 334924, 355508, 418582, 424316, 425444, 431272, 507788, 552172, 559736, 659044, 669848, 711016, 837164, 848632, 850888, 1015576, 1104344, 1318088, 1674328, 3288449, 3935357, 5107591, 6488021, 6576898, 7743767, 7870714, 10215182, 12976042, 13153796, 15487534, 15741428, 20430364, 25952084, 26307592, 30975068, 31482856, 40860728, 51904168, 61950136, 240056777, 480113554, 960227108, 1920454216]

約数ペア:

[(1, 1920454216), (2, 960227108), (4, 480113554), (8, 240056777), (31, 61950136), (37, 51904168), (47, 40860728), (61, 31482856), (62, 30975068), (73, 26307592), (74, 25952084), (94, 20430364), (122, 15741428), (124, 15487534), (146, 13153796), (148, 12976042), (188, 10215182), (244, 7870714), (248, 7743767), (292, 6576898), (296, 6488021), (376, 5107591), (488, 3935357), (584, 3288449), (1147, 1674328), (1457, 1318088), (1739, 1104344), (1891, 1015576), (2257, 850888), (2263, 848632), (2294, 837164), (2701, 711016), (2867, 669848), (2914, 659044), (3431, 559736), (3478, 552172), (3782, 507788), (4453, 431272), (4514, 425444), (4526, 424316), (4588, 418582), (5402, 355508), (5734, 334924), (5828, 329522), (6862, 279868), (6956, 276086), (7564, 253894), (8906, 215636), (9028, 212722), (9052, 212158), (9176, 209291), (10804, 177754), (11468, 167462), (11656, 164761), (13724, 139934), (13912, 138043), (15128, 126947), (17812, 107818), (18056, 106361), (18104, 106079), (21608, 88877), (22936, 83731), (27448, 69967), (35624, 53909)]