198286020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{18671}}^1$

素因数の和:18745

約数の個数: 72

約数和(自身を含む): 611694720

約数和(自身を除く): 413408700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 18671, 37342, 56013, 74684, 93355, 112026, 168039, 186710, 224052, 280065, 336078, 373420, 560130, 672156, 840195, 1101589, 1120260, 1680390, 2203178, 3304767, 3360780, 4406356, 5507945, 6609534, 9914301, 11015890, 13219068, 16523835, 19828602, 22031780, 33047670, 39657204, 49571505, 66095340, 99143010, 198286020]

約数ペア:

[(1, 198286020), (2, 99143010), (3, 66095340), (4, 49571505), (5, 39657204), (6, 33047670), (9, 22031780), (10, 19828602), (12, 16523835), (15, 13219068), (18, 11015890), (20, 9914301), (30, 6609534), (36, 5507945), (45, 4406356), (59, 3360780), (60, 3304767), (90, 2203178), (118, 1680390), (177, 1120260), (180, 1101589), (236, 840195), (295, 672156), (354, 560130), (531, 373420), (590, 336078), (708, 280065), (885, 224052), (1062, 186710), (1180, 168039), (1770, 112026), (2124, 93355), (2655, 74684), (3540, 56013), (5310, 37342), (10620, 18671)]