268963640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 96

約数和(自身を含む): 676831680

約数和(自身を除く): 407868040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 121, 122, 220, 242, 244, 305, 440, 484, 488, 605, 610, 671, 911, 968, 1210, 1220, 1342, 1822, 2420, 2440, 2684, 3355, 3644, 4555, 4840, 5368, 6710, 7288, 7381, 9110, 10021, 13420, 14762, 18220, 20042, 26840, 29524, 36440, 36905, 40084, 50105, 55571, 59048, 73810, 80168, 100210, 110231, 111142, 147620, 200420, 220462, 222284, 277855, 295240, 400840, 440924, 444568, 551155, 555710, 611281, 881848, 1102310, 1111420, 1222562, 2204620, 2222840, 2445124, 3056405, 4409240, 4890248, 6112810, 6724091, 12225620, 13448182, 24451240, 26896364, 33620455, 53792728, 67240910, 134481820, 268963640]

約数ペア:

[(1, 268963640), (2, 134481820), (4, 67240910), (5, 53792728), (8, 33620455), (10, 26896364), (11, 24451240), (20, 13448182), (22, 12225620), (40, 6724091), (44, 6112810), (55, 4890248), (61, 4409240), (88, 3056405), (110, 2445124), (121, 2222840), (122, 2204620), (220, 1222562), (242, 1111420), (244, 1102310), (305, 881848), (440, 611281), (484, 555710), (488, 551155), (605, 444568), (610, 440924), (671, 400840), (911, 295240), (968, 277855), (1210, 222284), (1220, 220462), (1342, 200420), (1822, 147620), (2420, 111142), (2440, 110231), (2684, 100210), (3355, 80168), (3644, 73810), (4555, 59048), (4840, 55571), (5368, 50105), (6710, 40084), (7288, 36905), (7381, 36440), (9110, 29524), (10021, 26840), (13420, 20042), (14762, 18220)]