215110240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1399}}^1$

素因数の和:1476

約数の個数: 72

約数和(自身を含む): 525495600

約数和(自身を除く): 310385360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1399, 1922, 2480, 2798, 3844, 4805, 4960, 5596, 6995, 7688, 9610, 11192, 13990, 15376, 19220, 22384, 27980, 30752, 38440, 43369, 44768, 55960, 76880, 86738, 111920, 153760, 173476, 216845, 223840, 346952, 433690, 693904, 867380, 1344439, 1387808, 1734760, 2688878, 3469520, 5377756, 6722195, 6939040, 10755512, 13444390, 21511024, 26888780, 43022048, 53777560, 107555120, 215110240]

約数ペア:

[(1, 215110240), (2, 107555120), (4, 53777560), (5, 43022048), (8, 26888780), (10, 21511024), (16, 13444390), (20, 10755512), (31, 6939040), (32, 6722195), (40, 5377756), (62, 3469520), (80, 2688878), (124, 1734760), (155, 1387808), (160, 1344439), (248, 867380), (310, 693904), (496, 433690), (620, 346952), (961, 223840), (992, 216845), (1240, 173476), (1399, 153760), (1922, 111920), (2480, 86738), (2798, 76880), (3844, 55960), (4805, 44768), (4960, 43369), (5596, 38440), (6995, 30752), (7688, 27980), (9610, 22384), (11192, 19220), (13990, 15376)]