20181819360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{163601}}^1$

素因数の和:163876

約数の個数: 96

約数和(自身を含む): 63820485792

約数和(自身を除く): 43638666432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 257, 480, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 8224, 10280, 12336, 15420, 20560, 24672, 30840, 41120, 61680, 123360, 163601, 327202, 490803, 654404, 818005, 981606, 1308808, 1636010, 1963212, 2454015, 2617616, 3272020, 3926424, 4908030, 5235232, 6544040, 7852848, 9816060, 13088080, 15705696, 19632120, 26176160, 39264240, 42045457, 78528480, 84090914, 126136371, 168181828, 210227285, 252272742, 336363656, 420454570, 504545484, 630681855, 672727312, 840909140, 1009090968, 1261363710, 1345454624, 1681818280, 2018181936, 2522727420, 3363636560, 4036363872, 5045454840, 6727273120, 10090909680, 20181819360]

約数ペア:

[(1, 20181819360), (2, 10090909680), (3, 6727273120), (4, 5045454840), (5, 4036363872), (6, 3363636560), (8, 2522727420), (10, 2018181936), (12, 1681818280), (15, 1345454624), (16, 1261363710), (20, 1009090968), (24, 840909140), (30, 672727312), (32, 630681855), (40, 504545484), (48, 420454570), (60, 336363656), (80, 252272742), (96, 210227285), (120, 168181828), (160, 126136371), (240, 84090914), (257, 78528480), (480, 42045457), (514, 39264240), (771, 26176160), (1028, 19632120), (1285, 15705696), (1542, 13088080), (2056, 9816060), (2570, 7852848), (3084, 6544040), (3855, 5235232), (4112, 4908030), (5140, 3926424), (6168, 3272020), (7710, 2617616), (8224, 2454015), (10280, 1963212), (12336, 1636010), (15420, 1308808), (20560, 981606), (24672, 818005), (30840, 654404), (41120, 490803), (61680, 327202), (123360, 163601)]