1656385280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2503}}^1$

素因数の和:2582

約数の個数: 144

約数和(自身を含む): 4422104064

約数和(自身を除く): 2765718784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 128, 160, 176, 188, 220, 235, 256, 320, 352, 376, 440, 470, 517, 640, 704, 752, 880, 940, 1034, 1280, 1408, 1504, 1760, 1880, 2068, 2503, 2585, 2816, 3008, 3520, 3760, 4136, 5006, 5170, 6016, 7040, 7520, 8272, 10012, 10340, 12032, 12515, 14080, 15040, 16544, 20024, 20680, 25030, 27533, 30080, 33088, 40048, 41360, 50060, 55066, 60160, 66176, 80096, 82720, 100120, 110132, 117641, 132352, 137665, 160192, 165440, 200240, 220264, 235282, 275330, 320384, 330880, 400480, 440528, 470564, 550660, 588205, 640768, 661760, 800960, 881056, 941128, 1101320, 1176410, 1294051, 1601920, 1762112, 1882256, 2202640, 2352820, 2588102, 3203840, 3524224, 3764512, 4405280, 4705640, 5176204, 6470255, 7048448, 7529024, 8810560, 9411280, 10352408, 12940510, 15058048, 17621120, 18822560, 20704816, 25881020, 30116096, 35242240, 37645120, 41409632, 51762040, 75290240, 82819264, 103524080, 150580480, 165638528, 207048160, 331277056, 414096320, 828192640, 1656385280]

約数ペア:

[(1, 1656385280), (2, 828192640), (4, 414096320), (5, 331277056), (8, 207048160), (10, 165638528), (11, 150580480), (16, 103524080), (20, 82819264), (22, 75290240), (32, 51762040), (40, 41409632), (44, 37645120), (47, 35242240), (55, 30116096), (64, 25881020), (80, 20704816), (88, 18822560), (94, 17621120), (110, 15058048), (128, 12940510), (160, 10352408), (176, 9411280), (188, 8810560), (220, 7529024), (235, 7048448), (256, 6470255), (320, 5176204), (352, 4705640), (376, 4405280), (440, 3764512), (470, 3524224), (517, 3203840), (640, 2588102), (704, 2352820), (752, 2202640), (880, 1882256), (940, 1762112), (1034, 1601920), (1280, 1294051), (1408, 1176410), (1504, 1101320), (1760, 941128), (1880, 881056), (2068, 800960), (2503, 661760), (2585, 640768), (2816, 588205), (3008, 550660), (3520, 470564), (3760, 440528), (4136, 400480), (5006, 330880), (5170, 320384), (6016, 275330), (7040, 235282), (7520, 220264), (8272, 200240), (10012, 165440), (10340, 160192), (12032, 137665), (12515, 132352), (14080, 117641), (15040, 110132), (16544, 100120), (20024, 82720), (20680, 80096), (25030, 66176), (27533, 60160), (30080, 55066), (33088, 50060), (40048, 41360)]