64215800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 174732120

約数和(自身を除く): 110516320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 101, 110, 136, 170, 187, 200, 202, 220, 275, 289, 340, 374, 404, 425, 440, 505, 550, 578, 680, 748, 808, 850, 935, 1010, 1100, 1111, 1156, 1445, 1496, 1700, 1717, 1870, 2020, 2200, 2222, 2312, 2525, 2890, 3179, 3400, 3434, 3740, 4040, 4444, 4675, 5050, 5555, 5780, 6358, 6868, 7225, 7480, 8585, 8888, 9350, 10100, 11110, 11560, 12716, 13736, 14450, 15895, 17170, 18700, 18887, 20200, 22220, 25432, 27775, 28900, 29189, 31790, 34340, 37400, 37774, 42925, 44440, 55550, 57800, 58378, 63580, 68680, 75548, 79475, 85850, 94435, 111100, 116756, 127160, 145945, 151096, 158950, 171700, 188870, 222200, 233512, 291890, 317900, 321079, 343400, 377740, 472175, 583780, 635800, 642158, 729725, 755480, 944350, 1167560, 1284316, 1459450, 1605395, 1888700, 2568632, 2918900, 3210790, 3777400, 5837800, 6421580, 8026975, 12843160, 16053950, 32107900, 64215800]

約数ペア:

[(1, 64215800), (2, 32107900), (4, 16053950), (5, 12843160), (8, 8026975), (10, 6421580), (11, 5837800), (17, 3777400), (20, 3210790), (22, 2918900), (25, 2568632), (34, 1888700), (40, 1605395), (44, 1459450), (50, 1284316), (55, 1167560), (68, 944350), (85, 755480), (88, 729725), (100, 642158), (101, 635800), (110, 583780), (136, 472175), (170, 377740), (187, 343400), (200, 321079), (202, 317900), (220, 291890), (275, 233512), (289, 222200), (340, 188870), (374, 171700), (404, 158950), (425, 151096), (440, 145945), (505, 127160), (550, 116756), (578, 111100), (680, 94435), (748, 85850), (808, 79475), (850, 75548), (935, 68680), (1010, 63580), (1100, 58378), (1111, 57800), (1156, 55550), (1445, 44440), (1496, 42925), (1700, 37774), (1717, 37400), (1870, 34340), (2020, 31790), (2200, 29189), (2222, 28900), (2312, 27775), (2525, 25432), (2890, 22220), (3179, 20200), (3400, 18887), (3434, 18700), (3740, 17170), (4040, 15895), (4444, 14450), (4675, 13736), (5050, 12716), (5555, 11560), (5780, 11110), (6358, 10100), (6868, 9350), (7225, 8888), (7480, 8585)]