747793280

素因数分解:

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

素因数の和:377

約数の個数: 192

約数和(自身を含む): 2051693280

約数和(自身を除く): 1303900000

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, 289, 311, 320, 340, 416, 442, 520, 544, 578, 622, 640, 680, 832, 884, 1040, 1088, 1105, 1156, 1244, 1360, 1445, 1555, 1664, 1768, 2080, 2176, 2210, 2312, 2488, 2720, 2890, 3110, 3536, 3757, 4043, 4160, 4420, 4624, 4976, 5287, 5440, 5780, 6220, 7072, 7514, 8086, 8320, 8840, 9248, 9952, 10574, 10880, 11560, 12440, 14144, 15028, 16172, 17680, 18496, 18785, 19904, 20215, 21148, 23120, 24880, 26435, 28288, 30056, 32344, 35360, 36992, 37570, 39808, 40430, 42296, 46240, 49760, 52870, 60112, 64688, 68731, 70720, 75140, 80860, 84592, 89879, 92480, 99520, 105740, 120224, 129376, 137462, 141440, 150280, 161720, 169184, 179758, 184960, 199040, 211480, 240448, 258752, 274924, 300560, 323440, 338368, 343655, 359516, 422960, 449395, 480896, 517504, 549848, 601120, 646880, 676736, 687310, 719032, 845920, 898790, 1099696, 1168427, 1202240, 1293760, 1374620, 1438064, 1691840, 1797580, 2199392, 2336854, 2404480, 2587520, 2749240, 2876128, 3383680, 3595160, 4398784, 4673708, 5498480, 5752256, 5842135, 7190320, 8797568, 9347416, 10996960, 11504512, 11684270, 14380640, 18694832, 21993920, 23368540, 28761280, 37389664, 43987840, 46737080, 57522560, 74779328, 93474160, 149558656, 186948320, 373896640, 747793280]

約数ペア:

[(1, 747793280), (2, 373896640), (4, 186948320), (5, 149558656), (8, 93474160), (10, 74779328), (13, 57522560), (16, 46737080), (17, 43987840), (20, 37389664), (26, 28761280), (32, 23368540), (34, 21993920), (40, 18694832), (52, 14380640), (64, 11684270), (65, 11504512), (68, 10996960), (80, 9347416), (85, 8797568), (104, 7190320), (128, 5842135), (130, 5752256), (136, 5498480), (160, 4673708), (170, 4398784), (208, 3595160), (221, 3383680), (260, 2876128), (272, 2749240), (289, 2587520), (311, 2404480), (320, 2336854), (340, 2199392), (416, 1797580), (442, 1691840), (520, 1438064), (544, 1374620), (578, 1293760), (622, 1202240), (640, 1168427), (680, 1099696), (832, 898790), (884, 845920), (1040, 719032), (1088, 687310), (1105, 676736), (1156, 646880), (1244, 601120), (1360, 549848), (1445, 517504), (1555, 480896), (1664, 449395), (1768, 422960), (2080, 359516), (2176, 343655), (2210, 338368), (2312, 323440), (2488, 300560), (2720, 274924), (2890, 258752), (3110, 240448), (3536, 211480), (3757, 199040), (4043, 184960), (4160, 179758), (4420, 169184), (4624, 161720), (4976, 150280), (5287, 141440), (5440, 137462), (5780, 129376), (6220, 120224), (7072, 105740), (7514, 99520), (8086, 92480), (8320, 89879), (8840, 84592), (9248, 80860), (9952, 75140), (10574, 70720), (10880, 68731), (11560, 64688), (12440, 60112), (14144, 52870), (15028, 49760), (16172, 46240), (17680, 42296), (18496, 40430), (18785, 39808), (19904, 37570), (20215, 36992), (21148, 35360), (23120, 32344), (24880, 30056), (26435, 28288)]