64213440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{66889}}^1$

素因数の和:66909

約数の個数: 56

約数和(自身を含む): 203880720

約数和(自身を除く): 139667280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 66889, 133778, 200667, 267556, 334445, 401334, 535112, 668890, 802668, 1003335, 1070224, 1337780, 1605336, 2006670, 2140448, 2675560, 3210672, 4013340, 4280896, 5351120, 6421344, 8026680, 10702240, 12842688, 16053360, 21404480, 32106720, 64213440]

約数ペア:

[(1, 64213440), (2, 32106720), (3, 21404480), (4, 16053360), (5, 12842688), (6, 10702240), (8, 8026680), (10, 6421344), (12, 5351120), (15, 4280896), (16, 4013340), (20, 3210672), (24, 2675560), (30, 2140448), (32, 2006670), (40, 1605336), (48, 1337780), (60, 1070224), (64, 1003335), (80, 802668), (96, 668890), (120, 535112), (160, 401334), (192, 334445), (240, 267556), (320, 200667), (480, 133778), (960, 66889)]