204028980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2551}}^1$

素因数の和:2637

約数の個数: 96

約数和(自身を含む): 603660288

約数和(自身を除く): 399631308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 516, 620, 645, 860, 930, 1290, 1333, 1860, 2551, 2580, 2666, 3999, 5102, 5332, 6665, 7653, 7998, 10204, 12755, 13330, 15306, 15996, 19995, 25510, 26660, 30612, 38265, 39990, 51020, 76530, 79081, 79980, 109693, 153060, 158162, 219386, 237243, 316324, 329079, 395405, 438772, 474486, 548465, 658158, 790810, 948972, 1096930, 1186215, 1316316, 1581620, 1645395, 2193860, 2372430, 3290790, 3400483, 4744860, 6581580, 6800966, 10201449, 13601932, 17002415, 20402898, 34004830, 40805796, 51007245, 68009660, 102014490, 204028980]

約数ペア:

[(1, 204028980), (2, 102014490), (3, 68009660), (4, 51007245), (5, 40805796), (6, 34004830), (10, 20402898), (12, 17002415), (15, 13601932), (20, 10201449), (30, 6800966), (31, 6581580), (43, 4744860), (60, 3400483), (62, 3290790), (86, 2372430), (93, 2193860), (124, 1645395), (129, 1581620), (155, 1316316), (172, 1186215), (186, 1096930), (215, 948972), (258, 790810), (310, 658158), (372, 548465), (430, 474486), (465, 438772), (516, 395405), (620, 329079), (645, 316324), (860, 237243), (930, 219386), (1290, 158162), (1333, 153060), (1860, 109693), (2551, 79980), (2580, 79081), (2666, 76530), (3999, 51020), (5102, 39990), (5332, 38265), (6665, 30612), (7653, 26660), (7998, 25510), (10204, 19995), (12755, 15996), (13330, 15306)]