78244560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1125

約数の個数: 120

約数和(自身を含む): 265448040

約数和(自身を除く): 187203480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 997, 1090, 1308, 1635, 1744, 1962, 1994, 2180, 2616, 2991, 3270, 3924, 3988, 4360, 4905, 4985, 5232, 5982, 6540, 7848, 7976, 8720, 8973, 9810, 9970, 11964, 13080, 14955, 15696, 15952, 17946, 19620, 19940, 23928, 26160, 29910, 35892, 39240, 39880, 44865, 47856, 59820, 71784, 78480, 79760, 89730, 108673, 119640, 143568, 179460, 217346, 239280, 326019, 358920, 434692, 543365, 652038, 717840, 869384, 978057, 1086730, 1304076, 1630095, 1738768, 1956114, 2173460, 2608152, 3260190, 3912228, 4346920, 4890285, 5216304, 6520380, 7824456, 8693840, 9780570, 13040760, 15648912, 19561140, 26081520, 39122280, 78244560]

約数ペア:

[(1, 78244560), (2, 39122280), (3, 26081520), (4, 19561140), (5, 15648912), (6, 13040760), (8, 9780570), (9, 8693840), (10, 7824456), (12, 6520380), (15, 5216304), (16, 4890285), (18, 4346920), (20, 3912228), (24, 3260190), (30, 2608152), (36, 2173460), (40, 1956114), (45, 1738768), (48, 1630095), (60, 1304076), (72, 1086730), (80, 978057), (90, 869384), (109, 717840), (120, 652038), (144, 543365), (180, 434692), (218, 358920), (240, 326019), (327, 239280), (360, 217346), (436, 179460), (545, 143568), (654, 119640), (720, 108673), (872, 89730), (981, 79760), (997, 78480), (1090, 71784), (1308, 59820), (1635, 47856), (1744, 44865), (1962, 39880), (1994, 39240), (2180, 35892), (2616, 29910), (2991, 26160), (3270, 23928), (3924, 19940), (3988, 19620), (4360, 17946), (4905, 15952), (4985, 15696), (5232, 14955), (5982, 13080), (6540, 11964), (7848, 9970), (7976, 9810), (8720, 8973)]