206497920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:974

約数の個数: 128

約数和(自身を含む): 664044480

約数和(自身を除く): 457546560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 320, 384, 393, 480, 524, 640, 655, 786, 821, 960, 1048, 1310, 1572, 1642, 1920, 1965, 2096, 2463, 2620, 3144, 3284, 3930, 4105, 4192, 4926, 5240, 6288, 6568, 7860, 8210, 8384, 9852, 10480, 12315, 12576, 13136, 15720, 16420, 16768, 19704, 20960, 24630, 25152, 26272, 31440, 32840, 39408, 41920, 49260, 50304, 52544, 62880, 65680, 78816, 83840, 98520, 105088, 107551, 125760, 131360, 157632, 197040, 215102, 251520, 262720, 315264, 322653, 394080, 430204, 525440, 537755, 645306, 788160, 860408, 1075510, 1290612, 1576320, 1613265, 1720816, 2151020, 2581224, 3226530, 3441632, 4302040, 5162448, 6453060, 6883264, 8604080, 10324896, 12906120, 13766528, 17208160, 20649792, 25812240, 34416320, 41299584, 51624480, 68832640, 103248960, 206497920]

約数ペア:

[(1, 206497920), (2, 103248960), (3, 68832640), (4, 51624480), (5, 41299584), (6, 34416320), (8, 25812240), (10, 20649792), (12, 17208160), (15, 13766528), (16, 12906120), (20, 10324896), (24, 8604080), (30, 6883264), (32, 6453060), (40, 5162448), (48, 4302040), (60, 3441632), (64, 3226530), (80, 2581224), (96, 2151020), (120, 1720816), (128, 1613265), (131, 1576320), (160, 1290612), (192, 1075510), (240, 860408), (262, 788160), (320, 645306), (384, 537755), (393, 525440), (480, 430204), (524, 394080), (640, 322653), (655, 315264), (786, 262720), (821, 251520), (960, 215102), (1048, 197040), (1310, 157632), (1572, 131360), (1642, 125760), (1920, 107551), (1965, 105088), (2096, 98520), (2463, 83840), (2620, 78816), (3144, 65680), (3284, 62880), (3930, 52544), (4105, 50304), (4192, 49260), (4926, 41920), (5240, 39408), (6288, 32840), (6568, 31440), (7860, 26272), (8210, 25152), (8384, 24630), (9852, 20960), (10480, 19704), (12315, 16768), (12576, 16420), (13136, 15720)]