404702040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21481}}^1$

素因数の和:21652

約数の個数: 64

約数和(自身を含む): 1221896160

約数和(自身を除く): 817194120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 21481, 42962, 64443, 85924, 107405, 128886, 171848, 214810, 257772, 322215, 429620, 515544, 644430, 859240, 1288860, 2577720, 3372517, 6745034, 10117551, 13490068, 16862585, 20235102, 26980136, 33725170, 40470204, 50587755, 67450340, 80940408, 101175510, 134900680, 202351020, 404702040]

約数ペア:

[(1, 404702040), (2, 202351020), (3, 134900680), (4, 101175510), (5, 80940408), (6, 67450340), (8, 50587755), (10, 40470204), (12, 33725170), (15, 26980136), (20, 20235102), (24, 16862585), (30, 13490068), (40, 10117551), (60, 6745034), (120, 3372517), (157, 2577720), (314, 1288860), (471, 859240), (628, 644430), (785, 515544), (942, 429620), (1256, 322215), (1570, 257772), (1884, 214810), (2355, 171848), (3140, 128886), (3768, 107405), (4710, 85924), (6280, 64443), (9420, 42962), (18840, 21481)]