40494780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{613}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 123369792

約数和(自身を除く): 82875012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 613, 734, 1101, 1226, 1468, 1835, 1839, 2202, 2452, 3065, 3303, 3670, 3678, 4404, 5505, 5517, 6130, 6606, 7340, 7356, 9195, 11010, 11034, 12260, 13212, 16515, 18390, 22020, 22068, 27585, 33030, 36780, 55170, 66060, 110340, 224971, 449942, 674913, 899884, 1124855, 1349826, 2024739, 2249710, 2699652, 3374565, 4049478, 4499420, 6749130, 8098956, 10123695, 13498260, 20247390, 40494780]

約数ペア:

[(1, 40494780), (2, 20247390), (3, 13498260), (4, 10123695), (5, 8098956), (6, 6749130), (9, 4499420), (10, 4049478), (12, 3374565), (15, 2699652), (18, 2249710), (20, 2024739), (30, 1349826), (36, 1124855), (45, 899884), (60, 674913), (90, 449942), (180, 224971), (367, 110340), (613, 66060), (734, 55170), (1101, 36780), (1226, 33030), (1468, 27585), (1835, 22068), (1839, 22020), (2202, 18390), (2452, 16515), (3065, 13212), (3303, 12260), (3670, 11034), (3678, 11010), (4404, 9195), (5505, 7356), (5517, 7340), (6130, 6606)]