1278272640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9377}}^1$

素因数の和:9470

約数の個数: 128

約数和(自身を含む): 4132321920

約数和(自身を除く): 2854049280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 284, 320, 355, 384, 426, 480, 568, 640, 710, 852, 960, 1065, 1136, 1420, 1704, 1920, 2130, 2272, 2840, 3408, 4260, 4544, 5680, 6816, 8520, 9088, 9377, 11360, 13632, 17040, 18754, 22720, 27264, 28131, 34080, 37508, 45440, 46885, 56262, 68160, 75016, 93770, 112524, 136320, 140655, 150032, 187540, 225048, 281310, 300064, 375080, 450096, 562620, 600128, 665767, 750160, 900192, 1125240, 1200256, 1331534, 1500320, 1800384, 1997301, 2250480, 2663068, 3000640, 3328835, 3600768, 3994602, 4500960, 5326136, 6001280, 6657670, 7989204, 9001920, 9986505, 10652272, 13315340, 15978408, 18003840, 19973010, 21304544, 26630680, 31956816, 39946020, 42609088, 53261360, 63913632, 79892040, 85218176, 106522720, 127827264, 159784080, 213045440, 255654528, 319568160, 426090880, 639136320, 1278272640]

約数ペア:

[(1, 1278272640), (2, 639136320), (3, 426090880), (4, 319568160), (5, 255654528), (6, 213045440), (8, 159784080), (10, 127827264), (12, 106522720), (15, 85218176), (16, 79892040), (20, 63913632), (24, 53261360), (30, 42609088), (32, 39946020), (40, 31956816), (48, 26630680), (60, 21304544), (64, 19973010), (71, 18003840), (80, 15978408), (96, 13315340), (120, 10652272), (128, 9986505), (142, 9001920), (160, 7989204), (192, 6657670), (213, 6001280), (240, 5326136), (284, 4500960), (320, 3994602), (355, 3600768), (384, 3328835), (426, 3000640), (480, 2663068), (568, 2250480), (640, 1997301), (710, 1800384), (852, 1500320), (960, 1331534), (1065, 1200256), (1136, 1125240), (1420, 900192), (1704, 750160), (1920, 665767), (2130, 600128), (2272, 562620), (2840, 450096), (3408, 375080), (4260, 300064), (4544, 281310), (5680, 225048), (6816, 187540), (8520, 150032), (9088, 140655), (9377, 136320), (11360, 112524), (13632, 93770), (17040, 75016), (18754, 68160), (22720, 56262), (27264, 46885), (28131, 45440), (34080, 37508)]