261147720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70201}}^1$

素因数の和:70246

約数の個数: 64

約数和(自身を含む): 808727040

約数和(自身を除く): 547579320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 70201, 140402, 210603, 280804, 351005, 421206, 561608, 702010, 842412, 1053015, 1404020, 1684824, 2106030, 2176231, 2808040, 4212060, 4352462, 6528693, 8424120, 8704924, 10881155, 13057386, 17409848, 21762310, 26114772, 32643465, 43524620, 52229544, 65286930, 87049240, 130573860, 261147720]

約数ペア:

[(1, 261147720), (2, 130573860), (3, 87049240), (4, 65286930), (5, 52229544), (6, 43524620), (8, 32643465), (10, 26114772), (12, 21762310), (15, 17409848), (20, 13057386), (24, 10881155), (30, 8704924), (31, 8424120), (40, 6528693), (60, 4352462), (62, 4212060), (93, 2808040), (120, 2176231), (124, 2106030), (155, 1684824), (186, 1404020), (248, 1053015), (310, 842412), (372, 702010), (465, 561608), (620, 421206), (744, 351005), (930, 280804), (1240, 210603), (1860, 140402), (3720, 70201)]