215398480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1796

約数の個数: 80

約数和(自身を含む): 550286208

約数和(自身を除く): 334887728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 151, 176, 220, 302, 440, 604, 755, 880, 1208, 1510, 1621, 1661, 2416, 3020, 3242, 3322, 6040, 6484, 6644, 8105, 8305, 12080, 12968, 13288, 16210, 16610, 17831, 25936, 26576, 32420, 33220, 35662, 64840, 66440, 71324, 89155, 129680, 132880, 142648, 178310, 244771, 285296, 356620, 489542, 713240, 979084, 1223855, 1426480, 1958168, 2447710, 2692481, 3916336, 4895420, 5384962, 9790840, 10769924, 13462405, 19581680, 21539848, 26924810, 43079696, 53849620, 107699240, 215398480]

約数ペア:

[(1, 215398480), (2, 107699240), (4, 53849620), (5, 43079696), (8, 26924810), (10, 21539848), (11, 19581680), (16, 13462405), (20, 10769924), (22, 9790840), (40, 5384962), (44, 4895420), (55, 3916336), (80, 2692481), (88, 2447710), (110, 1958168), (151, 1426480), (176, 1223855), (220, 979084), (302, 713240), (440, 489542), (604, 356620), (755, 285296), (880, 244771), (1208, 178310), (1510, 142648), (1621, 132880), (1661, 129680), (2416, 89155), (3020, 71324), (3242, 66440), (3322, 64840), (6040, 35662), (6484, 33220), (6644, 32420), (8105, 26576), (8305, 25936), (12080, 17831), (12968, 16610), (13288, 16210)]