215137320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3923}}^1$

素因数の和:4394

約数の個数: 64

約数和(自身を含む): 646989120

約数和(自身を除く): 431851800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 457, 914, 1371, 1828, 2285, 2742, 3656, 3923, 4570, 5484, 6855, 7846, 9140, 10968, 11769, 13710, 15692, 18280, 19615, 23538, 27420, 31384, 39230, 47076, 54840, 58845, 78460, 94152, 117690, 156920, 235380, 470760, 1792811, 3585622, 5378433, 7171244, 8964055, 10756866, 14342488, 17928110, 21513732, 26892165, 35856220, 43027464, 53784330, 71712440, 107568660, 215137320]

約数ペア:

[(1, 215137320), (2, 107568660), (3, 71712440), (4, 53784330), (5, 43027464), (6, 35856220), (8, 26892165), (10, 21513732), (12, 17928110), (15, 14342488), (20, 10756866), (24, 8964055), (30, 7171244), (40, 5378433), (60, 3585622), (120, 1792811), (457, 470760), (914, 235380), (1371, 156920), (1828, 117690), (2285, 94152), (2742, 78460), (3656, 58845), (3923, 54840), (4570, 47076), (5484, 39230), (6855, 31384), (7846, 27420), (9140, 23538), (10968, 19615), (11769, 18280), (13710, 15692)]