87726660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 144

約数和(自身を含む): 291646656

約数和(自身を除く): 203919996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 563, 588, 636, 735, 742, 795, 980, 1060, 1113, 1126, 1470, 1484, 1590, 1689, 1855, 2226, 2252, 2597, 2815, 2940, 3180, 3378, 3710, 3941, 4452, 5194, 5565, 5630, 6756, 7420, 7791, 7882, 8445, 10388, 11130, 11260, 11823, 12985, 15582, 15764, 16890, 19705, 22260, 23646, 25970, 27587, 29839, 31164, 33780, 38955, 39410, 47292, 51940, 55174, 59115, 59678, 77910, 78820, 82761, 89517, 110348, 118230, 119356, 137935, 149195, 155820, 165522, 179034, 208873, 236460, 275870, 298390, 331044, 358068, 413805, 417746, 447585, 551740, 596780, 626619, 827610, 835492, 895170, 1044365, 1253238, 1462111, 1655220, 1790340, 2088730, 2506476, 2924222, 3133095, 4177460, 4386333, 5848444, 6266190, 7310555, 8772666, 12532380, 14621110, 17545332, 21931665, 29242220, 43863330, 87726660]

約数ペア:

[(1, 87726660), (2, 43863330), (3, 29242220), (4, 21931665), (5, 17545332), (6, 14621110), (7, 12532380), (10, 8772666), (12, 7310555), (14, 6266190), (15, 5848444), (20, 4386333), (21, 4177460), (28, 3133095), (30, 2924222), (35, 2506476), (42, 2088730), (49, 1790340), (53, 1655220), (60, 1462111), (70, 1253238), (84, 1044365), (98, 895170), (105, 835492), (106, 827610), (140, 626619), (147, 596780), (159, 551740), (196, 447585), (210, 417746), (212, 413805), (245, 358068), (265, 331044), (294, 298390), (318, 275870), (371, 236460), (420, 208873), (490, 179034), (530, 165522), (563, 155820), (588, 149195), (636, 137935), (735, 119356), (742, 118230), (795, 110348), (980, 89517), (1060, 82761), (1113, 78820), (1126, 77910), (1470, 59678), (1484, 59115), (1590, 55174), (1689, 51940), (1855, 47292), (2226, 39410), (2252, 38955), (2597, 33780), (2815, 31164), (2940, 29839), (3180, 27587), (3378, 25970), (3710, 23646), (3941, 22260), (4452, 19705), (5194, 16890), (5565, 15764), (5630, 15582), (6756, 12985), (7420, 11823), (7791, 11260), (7882, 11130), (8445, 10388)]