181134580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 108

約数和(自身を含む): 437886540

約数和(自身を除く): 256751960

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 89, 110, 116, 121, 145, 178, 220, 242, 290, 319, 356, 445, 484, 580, 605, 638, 841, 890, 979, 1210, 1276, 1595, 1682, 1780, 1958, 2420, 2581, 3190, 3364, 3509, 3916, 4205, 4895, 5162, 6380, 7018, 8410, 9251, 9790, 10324, 10769, 12905, 14036, 16820, 17545, 18502, 19580, 21538, 25810, 28391, 35090, 37004, 43076, 46255, 51620, 53845, 56782, 70180, 74849, 92510, 101761, 107690, 113564, 141955, 149698, 185020, 203522, 215380, 283910, 299396, 312301, 374245, 407044, 508805, 567820, 624602, 748490, 823339, 1017610, 1249204, 1496980, 1561505, 1646678, 2035220, 3123010, 3293356, 4116695, 6246020, 8233390, 9056729, 16466780, 18113458, 36226916, 45283645, 90567290, 181134580]

約数ペア:

[(1, 181134580), (2, 90567290), (4, 45283645), (5, 36226916), (10, 18113458), (11, 16466780), (20, 9056729), (22, 8233390), (29, 6246020), (44, 4116695), (55, 3293356), (58, 3123010), (89, 2035220), (110, 1646678), (116, 1561505), (121, 1496980), (145, 1249204), (178, 1017610), (220, 823339), (242, 748490), (290, 624602), (319, 567820), (356, 508805), (445, 407044), (484, 374245), (580, 312301), (605, 299396), (638, 283910), (841, 215380), (890, 203522), (979, 185020), (1210, 149698), (1276, 141955), (1595, 113564), (1682, 107690), (1780, 101761), (1958, 92510), (2420, 74849), (2581, 70180), (3190, 56782), (3364, 53845), (3509, 51620), (3916, 46255), (4205, 43076), (4895, 37004), (5162, 35090), (6380, 28391), (7018, 25810), (8410, 21538), (9251, 19580), (9790, 18502), (10324, 17545), (10769, 16820), (12905, 14036)]