2488781520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{80387}}^1$

素因数の和:80449

約数の個数: 120

約数和(自身を含む): 8552640096

約数和(自身を除く): 6063858576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 7740, 10320, 15480, 30960, 80387, 160774, 241161, 321548, 401935, 482322, 643096, 723483, 803870, 964644, 1205805, 1286192, 1446966, 1607740, 1929288, 2411610, 2893932, 3215480, 3456641, 3617415, 3858576, 4823220, 5787864, 6430960, 6913282, 7234830, 9646440, 10369923, 11575728, 13826564, 14469660, 17283205, 19292880, 20739846, 27653128, 28939320, 31109769, 34566410, 41479692, 51849615, 55306256, 57878640, 62219538, 69132820, 82959384, 103699230, 124439076, 138265640, 155548845, 165918768, 207398460, 248878152, 276531280, 311097690, 414796920, 497756304, 622195380, 829593840, 1244390760, 2488781520]

約数ペア:

[(1, 2488781520), (2, 1244390760), (3, 829593840), (4, 622195380), (5, 497756304), (6, 414796920), (8, 311097690), (9, 276531280), (10, 248878152), (12, 207398460), (15, 165918768), (16, 155548845), (18, 138265640), (20, 124439076), (24, 103699230), (30, 82959384), (36, 69132820), (40, 62219538), (43, 57878640), (45, 55306256), (48, 51849615), (60, 41479692), (72, 34566410), (80, 31109769), (86, 28939320), (90, 27653128), (120, 20739846), (129, 19292880), (144, 17283205), (172, 14469660), (180, 13826564), (215, 11575728), (240, 10369923), (258, 9646440), (344, 7234830), (360, 6913282), (387, 6430960), (430, 5787864), (516, 4823220), (645, 3858576), (688, 3617415), (720, 3456641), (774, 3215480), (860, 2893932), (1032, 2411610), (1290, 1929288), (1548, 1607740), (1720, 1446966), (1935, 1286192), (2064, 1205805), (2580, 964644), (3096, 803870), (3440, 723483), (3870, 643096), (5160, 482322), (6192, 401935), (7740, 321548), (10320, 241161), (15480, 160774), (30960, 80387)]