639627840

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{24677}}^1$

素因数の和:24706

約数の個数: 140

約数和(自身を含む): 2275360956

約数和(自身を除く): 1635733116

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 24677, 25920, 49354, 74031, 98708, 123385, 148062, 197416, 222093, 246770, 296124, 370155, 394832, 444186, 493540, 592248, 666279, 740310, 789664, 888372, 987080, 1110465, 1184496, 1332558, 1480620, 1579328, 1776744, 1974160, 1998837, 2220930, 2368992, 2665116, 2961240, 3331395, 3553488, 3948320, 3997674, 4441860, 4737984, 5330232, 5922480, 6662790, 7106976, 7896640, 7995348, 8883720, 9994185, 10660464, 11844960, 13325580, 14213952, 15990696, 17767440, 19988370, 21320928, 23689920, 26651160, 31981392, 35534880, 39976740, 42641856, 53302320, 63962784, 71069760, 79953480, 106604640, 127925568, 159906960, 213209280, 319813920, 639627840]

約数ペア:

[(1, 639627840), (2, 319813920), (3, 213209280), (4, 159906960), (5, 127925568), (6, 106604640), (8, 79953480), (9, 71069760), (10, 63962784), (12, 53302320), (15, 42641856), (16, 39976740), (18, 35534880), (20, 31981392), (24, 26651160), (27, 23689920), (30, 21320928), (32, 19988370), (36, 17767440), (40, 15990696), (45, 14213952), (48, 13325580), (54, 11844960), (60, 10660464), (64, 9994185), (72, 8883720), (80, 7995348), (81, 7896640), (90, 7106976), (96, 6662790), (108, 5922480), (120, 5330232), (135, 4737984), (144, 4441860), (160, 3997674), (162, 3948320), (180, 3553488), (192, 3331395), (216, 2961240), (240, 2665116), (270, 2368992), (288, 2220930), (320, 1998837), (324, 1974160), (360, 1776744), (405, 1579328), (432, 1480620), (480, 1332558), (540, 1184496), (576, 1110465), (648, 987080), (720, 888372), (810, 789664), (864, 740310), (960, 666279), (1080, 592248), (1296, 493540), (1440, 444186), (1620, 394832), (1728, 370155), (2160, 296124), (2592, 246770), (2880, 222093), (3240, 197416), (4320, 148062), (5184, 123385), (6480, 98708), (8640, 74031), (12960, 49354), (24677, 25920)]