681379440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1697}}^1$

素因数の和:1959

約数の個数: 160

約数和(自身を含む): 2425559040

約数和(自身を除く): 1744179600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 239, 240, 280, 336, 420, 478, 560, 717, 840, 956, 1195, 1434, 1673, 1680, 1697, 1912, 2390, 2868, 3346, 3394, 3585, 3824, 4780, 5019, 5091, 5736, 6692, 6788, 7170, 8365, 8485, 9560, 10038, 10182, 11472, 11879, 13384, 13576, 14340, 16730, 16970, 19120, 20076, 20364, 23758, 25095, 25455, 26768, 27152, 28680, 33460, 33940, 35637, 40152, 40728, 47516, 50190, 50910, 57360, 59395, 66920, 67880, 71274, 80304, 81456, 95032, 100380, 101820, 118790, 133840, 135760, 142548, 178185, 190064, 200760, 203640, 237580, 285096, 356370, 401520, 405583, 407280, 475160, 570192, 712740, 811166, 950320, 1216749, 1425480, 1622332, 2027915, 2433498, 2839081, 2850960, 3244664, 4055830, 4866996, 5678162, 6083745, 6489328, 8111660, 8517243, 9733992, 11356324, 12167490, 14195405, 16223320, 17034486, 19467984, 22712648, 24334980, 28390810, 32446640, 34068972, 42586215, 45425296, 48669960, 56781620, 68137944, 85172430, 97339920, 113563240, 136275888, 170344860, 227126480, 340689720, 681379440]

約数ペア:

[(1, 681379440), (2, 340689720), (3, 227126480), (4, 170344860), (5, 136275888), (6, 113563240), (7, 97339920), (8, 85172430), (10, 68137944), (12, 56781620), (14, 48669960), (15, 45425296), (16, 42586215), (20, 34068972), (21, 32446640), (24, 28390810), (28, 24334980), (30, 22712648), (35, 19467984), (40, 17034486), (42, 16223320), (48, 14195405), (56, 12167490), (60, 11356324), (70, 9733992), (80, 8517243), (84, 8111660), (105, 6489328), (112, 6083745), (120, 5678162), (140, 4866996), (168, 4055830), (210, 3244664), (239, 2850960), (240, 2839081), (280, 2433498), (336, 2027915), (420, 1622332), (478, 1425480), (560, 1216749), (717, 950320), (840, 811166), (956, 712740), (1195, 570192), (1434, 475160), (1673, 407280), (1680, 405583), (1697, 401520), (1912, 356370), (2390, 285096), (2868, 237580), (3346, 203640), (3394, 200760), (3585, 190064), (3824, 178185), (4780, 142548), (5019, 135760), (5091, 133840), (5736, 118790), (6692, 101820), (6788, 100380), (7170, 95032), (8365, 81456), (8485, 80304), (9560, 71274), (10038, 67880), (10182, 66920), (11472, 59395), (11879, 57360), (13384, 50910), (13576, 50190), (14340, 47516), (16730, 40728), (16970, 40152), (19120, 35637), (20076, 33940), (20364, 33460), (23758, 28680), (25095, 27152), (25455, 26768)]