405225840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4253}}^1$

素因数の和:4666

約数の個数: 80

約数和(自身を含む): 1259660448

約数和(自身を除く): 854434608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4253, 4764, 5955, 6352, 7940, 8506, 9528, 11910, 12759, 15880, 17012, 19056, 21265, 23820, 25518, 31760, 34024, 42530, 47640, 51036, 63795, 68048, 85060, 95280, 102072, 127590, 170120, 204144, 255180, 340240, 510360, 1020720, 1688441, 3376882, 5065323, 6753764, 8442205, 10130646, 13507528, 16884410, 20261292, 25326615, 27015056, 33768820, 40522584, 50653230, 67537640, 81045168, 101306460, 135075280, 202612920, 405225840]

約数ペア:

[(1, 405225840), (2, 202612920), (3, 135075280), (4, 101306460), (5, 81045168), (6, 67537640), (8, 50653230), (10, 40522584), (12, 33768820), (15, 27015056), (16, 25326615), (20, 20261292), (24, 16884410), (30, 13507528), (40, 10130646), (48, 8442205), (60, 6753764), (80, 5065323), (120, 3376882), (240, 1688441), (397, 1020720), (794, 510360), (1191, 340240), (1588, 255180), (1985, 204144), (2382, 170120), (3176, 127590), (3970, 102072), (4253, 95280), (4764, 85060), (5955, 68048), (6352, 63795), (7940, 51036), (8506, 47640), (9528, 42530), (11910, 34024), (12759, 31760), (15880, 25518), (17012, 23820), (19056, 21265)]