678491640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1063}}^1$

素因数の和:1283

約数の個数: 160

約数和(自身を含む): 2294218080

約数和(自身を除く): 1615726440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 197, 216, 270, 324, 360, 394, 405, 540, 591, 648, 788, 810, 985, 1063, 1080, 1182, 1576, 1620, 1773, 1970, 2126, 2364, 2955, 3189, 3240, 3546, 3940, 4252, 4728, 5315, 5319, 5910, 6378, 7092, 7880, 8504, 8865, 9567, 10630, 10638, 11820, 12756, 14184, 15945, 15957, 17730, 19134, 21260, 21276, 23640, 25512, 26595, 28701, 31890, 31914, 35460, 38268, 42520, 42552, 47835, 53190, 57402, 63780, 63828, 70920, 76536, 79785, 86103, 95670, 106380, 114804, 127560, 127656, 143505, 159570, 172206, 191340, 209411, 212760, 229608, 287010, 319140, 344412, 382680, 418822, 430515, 574020, 628233, 638280, 688824, 837644, 861030, 1047055, 1148040, 1256466, 1675288, 1722060, 1884699, 2094110, 2512932, 3141165, 3444120, 3769398, 4188220, 5025864, 5654097, 6282330, 7538796, 8376440, 9423495, 11308194, 12564660, 15077592, 16962291, 18846990, 22616388, 25129320, 28270485, 33924582, 37693980, 45232776, 56540970, 67849164, 75387960, 84811455, 113081940, 135698328, 169622910, 226163880, 339245820, 678491640]

約数ペア:

[(1, 678491640), (2, 339245820), (3, 226163880), (4, 169622910), (5, 135698328), (6, 113081940), (8, 84811455), (9, 75387960), (10, 67849164), (12, 56540970), (15, 45232776), (18, 37693980), (20, 33924582), (24, 28270485), (27, 25129320), (30, 22616388), (36, 18846990), (40, 16962291), (45, 15077592), (54, 12564660), (60, 11308194), (72, 9423495), (81, 8376440), (90, 7538796), (108, 6282330), (120, 5654097), (135, 5025864), (162, 4188220), (180, 3769398), (197, 3444120), (216, 3141165), (270, 2512932), (324, 2094110), (360, 1884699), (394, 1722060), (405, 1675288), (540, 1256466), (591, 1148040), (648, 1047055), (788, 861030), (810, 837644), (985, 688824), (1063, 638280), (1080, 628233), (1182, 574020), (1576, 430515), (1620, 418822), (1773, 382680), (1970, 344412), (2126, 319140), (2364, 287010), (2955, 229608), (3189, 212760), (3240, 209411), (3546, 191340), (3940, 172206), (4252, 159570), (4728, 143505), (5315, 127656), (5319, 127560), (5910, 114804), (6378, 106380), (7092, 95670), (7880, 86103), (8504, 79785), (8865, 76536), (9567, 70920), (10630, 63828), (10638, 63780), (11820, 57402), (12756, 53190), (14184, 47835), (15945, 42552), (15957, 42520), (17730, 38268), (19134, 35460), (21260, 31914), (21276, 31890), (23640, 28701), (25512, 26595)]