180235550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^3$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 380767296

約数和(自身を除く): 200531746

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 121, 155, 242, 275, 310, 341, 550, 605, 682, 775, 961, 1210, 1550, 1705, 1922, 3025, 3410, 3751, 4805, 6050, 7502, 8525, 9610, 10571, 17050, 18755, 21142, 24025, 29791, 37510, 48050, 52855, 59582, 93775, 105710, 116281, 148955, 187550, 232562, 264275, 297910, 327701, 528550, 581405, 655402, 744775, 1162810, 1489550, 1638505, 2907025, 3277010, 3604711, 5814050, 7209422, 8192525, 16385050, 18023555, 36047110, 90117775, 180235550]

約数ペア:

[(1, 180235550), (2, 90117775), (5, 36047110), (10, 18023555), (11, 16385050), (22, 8192525), (25, 7209422), (31, 5814050), (50, 3604711), (55, 3277010), (62, 2907025), (110, 1638505), (121, 1489550), (155, 1162810), (242, 744775), (275, 655402), (310, 581405), (341, 528550), (550, 327701), (605, 297910), (682, 264275), (775, 232562), (961, 187550), (1210, 148955), (1550, 116281), (1705, 105710), (1922, 93775), (3025, 59582), (3410, 52855), (3751, 48050), (4805, 37510), (6050, 29791), (7502, 24025), (8525, 21142), (9610, 18755), (10571, 17050)]