72142020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{877}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 219559704

約数和(自身を除く): 147417684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 877, 914, 1371, 1754, 1828, 2285, 2631, 2742, 3508, 4113, 4385, 4570, 5262, 5484, 6855, 7893, 8226, 8770, 9140, 10524, 13155, 13710, 15786, 16452, 17540, 20565, 26310, 27420, 31572, 39465, 41130, 52620, 78930, 82260, 157860, 400789, 801578, 1202367, 1603156, 2003945, 2404734, 3607101, 4007890, 4809468, 6011835, 7214202, 8015780, 12023670, 14428404, 18035505, 24047340, 36071010, 72142020]

約数ペア:

[(1, 72142020), (2, 36071010), (3, 24047340), (4, 18035505), (5, 14428404), (6, 12023670), (9, 8015780), (10, 7214202), (12, 6011835), (15, 4809468), (18, 4007890), (20, 3607101), (30, 2404734), (36, 2003945), (45, 1603156), (60, 1202367), (90, 801578), (180, 400789), (457, 157860), (877, 82260), (914, 78930), (1371, 52620), (1754, 41130), (1828, 39465), (2285, 31572), (2631, 27420), (2742, 26310), (3508, 20565), (4113, 17540), (4385, 16452), (4570, 15786), (5262, 13710), (5484, 13155), (6855, 10524), (7893, 9140), (8226, 8770)]