64486720

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6949}}^1$

素因数の和:6995

約数の個数: 56

約数和(自身を含む): 158877000

約数和(自身を除く): 94390280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 6949, 9280, 13898, 27796, 34745, 55592, 69490, 111184, 138980, 201521, 222368, 277960, 403042, 444736, 555920, 806084, 1007605, 1111840, 1612168, 2015210, 2223680, 3224336, 4030420, 6448672, 8060840, 12897344, 16121680, 32243360, 64486720]

約数ペア:

[(1, 64486720), (2, 32243360), (4, 16121680), (5, 12897344), (8, 8060840), (10, 6448672), (16, 4030420), (20, 3224336), (29, 2223680), (32, 2015210), (40, 1612168), (58, 1111840), (64, 1007605), (80, 806084), (116, 555920), (145, 444736), (160, 403042), (232, 277960), (290, 222368), (320, 201521), (464, 138980), (580, 111184), (928, 69490), (1160, 55592), (1856, 34745), (2320, 27796), (4640, 13898), (6949, 9280)]