1280712672

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3877}}^1$

素因数の和:3961

約数の個数: 144

約数和(自身を含む): 3862115712

約数和(自身を除く): 2581403040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 62, 72, 74, 93, 96, 111, 124, 144, 148, 186, 222, 248, 279, 288, 296, 333, 372, 444, 496, 558, 592, 666, 744, 888, 992, 1116, 1147, 1184, 1332, 1488, 1776, 2232, 2294, 2664, 2976, 3441, 3552, 3877, 4464, 4588, 5328, 6882, 7754, 8928, 9176, 10323, 10656, 11631, 13764, 15508, 18352, 20646, 23262, 27528, 31016, 34893, 36704, 41292, 46524, 55056, 62032, 69786, 82584, 93048, 110112, 120187, 124064, 139572, 143449, 165168, 186096, 240374, 279144, 286898, 330336, 360561, 372192, 430347, 480748, 558288, 573796, 721122, 860694, 961496, 1081683, 1116576, 1147592, 1291041, 1442244, 1721388, 1922992, 2163366, 2295184, 2582082, 2884488, 3442776, 3845984, 4326732, 4446919, 4590368, 5164164, 5768976, 6885552, 8653464, 8893838, 10328328, 11537952, 13340757, 13771104, 17306928, 17787676, 20656656, 26681514, 34613856, 35575352, 40022271, 41313312, 53363028, 71150704, 80044542, 106726056, 142301408, 160089084, 213452112, 320178168, 426904224, 640356336, 1280712672]

約数ペア:

[(1, 1280712672), (2, 640356336), (3, 426904224), (4, 320178168), (6, 213452112), (8, 160089084), (9, 142301408), (12, 106726056), (16, 80044542), (18, 71150704), (24, 53363028), (31, 41313312), (32, 40022271), (36, 35575352), (37, 34613856), (48, 26681514), (62, 20656656), (72, 17787676), (74, 17306928), (93, 13771104), (96, 13340757), (111, 11537952), (124, 10328328), (144, 8893838), (148, 8653464), (186, 6885552), (222, 5768976), (248, 5164164), (279, 4590368), (288, 4446919), (296, 4326732), (333, 3845984), (372, 3442776), (444, 2884488), (496, 2582082), (558, 2295184), (592, 2163366), (666, 1922992), (744, 1721388), (888, 1442244), (992, 1291041), (1116, 1147592), (1147, 1116576), (1184, 1081683), (1332, 961496), (1488, 860694), (1776, 721122), (2232, 573796), (2294, 558288), (2664, 480748), (2976, 430347), (3441, 372192), (3552, 360561), (3877, 330336), (4464, 286898), (4588, 279144), (5328, 240374), (6882, 186096), (7754, 165168), (8928, 143449), (9176, 139572), (10323, 124064), (10656, 120187), (11631, 110112), (13764, 93048), (15508, 82584), (18352, 69786), (20646, 62032), (23262, 55056), (27528, 46524), (31016, 41292), (34893, 36704)]