55263180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{18797}}^1$

素因数の和:18823

約数の個数: 72

約数和(自身を含む): 180009648

約数和(自身を除く): 124746468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 18797, 37594, 56391, 75188, 93985, 112782, 131579, 187970, 225564, 263158, 281955, 375940, 394737, 526316, 563910, 657895, 789474, 921053, 1127820, 1315790, 1578948, 1842106, 1973685, 2631580, 2763159, 3684212, 3947370, 4605265, 5526318, 7894740, 9210530, 11052636, 13815795, 18421060, 27631590, 55263180]

約数ペア:

[(1, 55263180), (2, 27631590), (3, 18421060), (4, 13815795), (5, 11052636), (6, 9210530), (7, 7894740), (10, 5526318), (12, 4605265), (14, 3947370), (15, 3684212), (20, 2763159), (21, 2631580), (28, 1973685), (30, 1842106), (35, 1578948), (42, 1315790), (49, 1127820), (60, 921053), (70, 789474), (84, 657895), (98, 563910), (105, 526316), (140, 394737), (147, 375940), (196, 281955), (210, 263158), (245, 225564), (294, 187970), (420, 131579), (490, 112782), (588, 93985), (735, 75188), (980, 56391), (1470, 37594), (2940, 18797)]