43987840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 120294720

約数和(自身を除く): 76306880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 311, 320, 340, 416, 442, 520, 544, 622, 640, 680, 832, 884, 1040, 1088, 1105, 1244, 1360, 1555, 1664, 1768, 2080, 2176, 2210, 2488, 2720, 3110, 3536, 4043, 4160, 4420, 4976, 5287, 5440, 6220, 7072, 8086, 8320, 8840, 9952, 10574, 10880, 12440, 14144, 16172, 17680, 19904, 20215, 21148, 24880, 26435, 28288, 32344, 35360, 39808, 40430, 42296, 49760, 52870, 64688, 68731, 70720, 80860, 84592, 99520, 105740, 129376, 137462, 141440, 161720, 169184, 199040, 211480, 258752, 274924, 323440, 338368, 343655, 422960, 517504, 549848, 646880, 676736, 687310, 845920, 1099696, 1293760, 1374620, 1691840, 2199392, 2587520, 2749240, 3383680, 4398784, 5498480, 8797568, 10996960, 21993920, 43987840]

約数ペア:

[(1, 43987840), (2, 21993920), (4, 10996960), (5, 8797568), (8, 5498480), (10, 4398784), (13, 3383680), (16, 2749240), (17, 2587520), (20, 2199392), (26, 1691840), (32, 1374620), (34, 1293760), (40, 1099696), (52, 845920), (64, 687310), (65, 676736), (68, 646880), (80, 549848), (85, 517504), (104, 422960), (128, 343655), (130, 338368), (136, 323440), (160, 274924), (170, 258752), (208, 211480), (221, 199040), (260, 169184), (272, 161720), (311, 141440), (320, 137462), (340, 129376), (416, 105740), (442, 99520), (520, 84592), (544, 80860), (622, 70720), (640, 68731), (680, 64688), (832, 52870), (884, 49760), (1040, 42296), (1088, 40430), (1105, 39808), (1244, 35360), (1360, 32344), (1555, 28288), (1664, 26435), (1768, 24880), (2080, 21148), (2176, 20215), (2210, 19904), (2488, 17680), (2720, 16172), (3110, 14144), (3536, 12440), (4043, 10880), (4160, 10574), (4420, 9952), (4976, 8840), (5287, 8320), (5440, 8086), (6220, 7072)]