204393780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:751

約数の個数: 120

約数和(自身を含む): 644905800

約数和(自身を除く): 440512020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 281, 324, 405, 449, 540, 562, 810, 843, 898, 1124, 1347, 1405, 1620, 1686, 1796, 2245, 2529, 2694, 2810, 3372, 4041, 4215, 4490, 5058, 5388, 5620, 6735, 7587, 8082, 8430, 8980, 10116, 12123, 12645, 13470, 15174, 16164, 16860, 20205, 22761, 24246, 25290, 26940, 30348, 36369, 37935, 40410, 45522, 48492, 50580, 60615, 72738, 75870, 80820, 91044, 113805, 121230, 126169, 145476, 151740, 181845, 227610, 242460, 252338, 363690, 378507, 455220, 504676, 630845, 727380, 757014, 1135521, 1261690, 1514028, 1892535, 2271042, 2523380, 3406563, 3785070, 4542084, 5677605, 6813126, 7570140, 10219689, 11355210, 13626252, 17032815, 20439378, 22710420, 34065630, 40878756, 51098445, 68131260, 102196890, 204393780]

約数ペア:

[(1, 204393780), (2, 102196890), (3, 68131260), (4, 51098445), (5, 40878756), (6, 34065630), (9, 22710420), (10, 20439378), (12, 17032815), (15, 13626252), (18, 11355210), (20, 10219689), (27, 7570140), (30, 6813126), (36, 5677605), (45, 4542084), (54, 3785070), (60, 3406563), (81, 2523380), (90, 2271042), (108, 1892535), (135, 1514028), (162, 1261690), (180, 1135521), (270, 757014), (281, 727380), (324, 630845), (405, 504676), (449, 455220), (540, 378507), (562, 363690), (810, 252338), (843, 242460), (898, 227610), (1124, 181845), (1347, 151740), (1405, 145476), (1620, 126169), (1686, 121230), (1796, 113805), (2245, 91044), (2529, 80820), (2694, 75870), (2810, 72738), (3372, 60615), (4041, 50580), (4215, 48492), (4490, 45522), (5058, 40410), (5388, 37935), (5620, 36369), (6735, 30348), (7587, 26940), (8082, 25290), (8430, 24246), (8980, 22761), (10116, 20205), (12123, 16860), (12645, 16164), (13470, 15174)]