2878020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 8910720

約数和(自身を除く): 6032700

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, 271, 295, 354, 531, 542, 590, 708, 813, 885, 1062, 1084, 1180, 1355, 1626, 1770, 2124, 2439, 2655, 2710, 3252, 3540, 4065, 4878, 5310, 5420, 8130, 9756, 10620, 12195, 15989, 16260, 24390, 31978, 47967, 48780, 63956, 79945, 95934, 143901, 159890, 191868, 239835, 287802, 319780, 479670, 575604, 719505, 959340, 1439010, 2878020]

約数ペア:

[(1, 2878020), (2, 1439010), (3, 959340), (4, 719505), (5, 575604), (6, 479670), (9, 319780), (10, 287802), (12, 239835), (15, 191868), (18, 159890), (20, 143901), (30, 95934), (36, 79945), (45, 63956), (59, 48780), (60, 47967), (90, 31978), (118, 24390), (177, 16260), (180, 15989), (236, 12195), (271, 10620), (295, 9756), (354, 8130), (531, 5420), (542, 5310), (590, 4878), (708, 4065), (813, 3540), (885, 3252), (1062, 2710), (1084, 2655), (1180, 2439), (1355, 2124), (1626, 1770)]