64648960

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2971}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 164018736

約数和(自身を除く): 99369776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 2971, 4352, 5440, 5942, 10880, 11884, 14855, 21760, 23768, 29710, 47536, 50507, 59420, 95072, 101014, 118840, 190144, 202028, 237680, 252535, 380288, 404056, 475360, 505070, 760576, 808112, 950720, 1010140, 1616224, 1901440, 2020280, 3232448, 3802880, 4040560, 6464896, 8081120, 12929792, 16162240, 32324480, 64648960]

約数ペア:

[(1, 64648960), (2, 32324480), (4, 16162240), (5, 12929792), (8, 8081120), (10, 6464896), (16, 4040560), (17, 3802880), (20, 3232448), (32, 2020280), (34, 1901440), (40, 1616224), (64, 1010140), (68, 950720), (80, 808112), (85, 760576), (128, 505070), (136, 475360), (160, 404056), (170, 380288), (256, 252535), (272, 237680), (320, 202028), (340, 190144), (544, 118840), (640, 101014), (680, 95072), (1088, 59420), (1280, 50507), (1360, 47536), (2176, 29710), (2720, 23768), (2971, 21760), (4352, 14855), (5440, 11884), (5942, 10880)]