16977420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 51839424

約数和(自身を除く): 34862004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 367, 514, 734, 771, 1028, 1101, 1285, 1468, 1542, 1835, 2202, 2313, 2570, 3084, 3303, 3670, 3855, 4404, 4626, 5140, 5505, 6606, 7340, 7710, 9252, 11010, 11565, 13212, 15420, 16515, 22020, 23130, 33030, 46260, 66060, 94319, 188638, 282957, 377276, 471595, 565914, 848871, 943190, 1131828, 1414785, 1697742, 1886380, 2829570, 3395484, 4244355, 5659140, 8488710, 16977420]

約数ペア:

[(1, 16977420), (2, 8488710), (3, 5659140), (4, 4244355), (5, 3395484), (6, 2829570), (9, 1886380), (10, 1697742), (12, 1414785), (15, 1131828), (18, 943190), (20, 848871), (30, 565914), (36, 471595), (45, 377276), (60, 282957), (90, 188638), (180, 94319), (257, 66060), (367, 46260), (514, 33030), (734, 23130), (771, 22020), (1028, 16515), (1101, 15420), (1285, 13212), (1468, 11565), (1542, 11010), (1835, 9252), (2202, 7710), (2313, 7340), (2570, 6606), (3084, 5505), (3303, 5140), (3670, 4626), (3855, 4404)]