78020748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3877}}^1$

素因数の和:3943

約数の個数: 72

約数和(自身を含む): 217385168

約数和(自身を除く): 139364420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 3877, 5031, 6708, 7754, 10062, 11631, 15508, 20124, 23262, 34893, 46524, 50401, 69786, 100802, 139572, 151203, 166711, 201604, 302406, 333422, 453609, 500133, 604812, 666844, 907218, 1000266, 1500399, 1814436, 2000532, 2167243, 3000798, 4334486, 6001596, 6501729, 8668972, 13003458, 19505187, 26006916, 39010374, 78020748]

約数ペア:

[(1, 78020748), (2, 39010374), (3, 26006916), (4, 19505187), (6, 13003458), (9, 8668972), (12, 6501729), (13, 6001596), (18, 4334486), (26, 3000798), (36, 2167243), (39, 2000532), (43, 1814436), (52, 1500399), (78, 1000266), (86, 907218), (117, 666844), (129, 604812), (156, 500133), (172, 453609), (234, 333422), (258, 302406), (387, 201604), (468, 166711), (516, 151203), (559, 139572), (774, 100802), (1118, 69786), (1548, 50401), (1677, 46524), (2236, 34893), (3354, 23262), (3877, 20124), (5031, 15508), (6708, 11631), (7754, 10062)]