72485440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7307}}^1$

素因数の和:7355

約数の個数: 56

約数和(自身を含む): 178198272

約数和(自身を除く): 105712832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 7307, 9920, 14614, 29228, 36535, 58456, 73070, 116912, 146140, 226517, 233824, 292280, 453034, 467648, 584560, 906068, 1132585, 1169120, 1812136, 2265170, 2338240, 3624272, 4530340, 7248544, 9060680, 14497088, 18121360, 36242720, 72485440]

約数ペア:

[(1, 72485440), (2, 36242720), (4, 18121360), (5, 14497088), (8, 9060680), (10, 7248544), (16, 4530340), (20, 3624272), (31, 2338240), (32, 2265170), (40, 1812136), (62, 1169120), (64, 1132585), (80, 906068), (124, 584560), (155, 467648), (160, 453034), (248, 292280), (310, 233824), (320, 226517), (496, 146140), (620, 116912), (992, 73070), (1240, 58456), (1984, 36535), (2480, 29228), (4960, 14614), (7307, 9920)]