64387500

素因数分解:

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

素因数の和:150

約数の個数: 144

約数和(自身を含む): 200799648

約数和(自身を除く): 136412148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 101, 102, 125, 150, 170, 202, 204, 250, 255, 300, 303, 340, 375, 404, 425, 500, 505, 510, 606, 625, 750, 850, 1010, 1020, 1212, 1250, 1275, 1500, 1515, 1700, 1717, 1875, 2020, 2125, 2500, 2525, 2550, 3030, 3125, 3434, 3750, 4250, 5050, 5100, 5151, 6060, 6250, 6375, 6868, 7500, 7575, 8500, 8585, 9375, 10100, 10302, 10625, 12500, 12625, 12750, 15150, 17170, 18750, 20604, 21250, 25250, 25500, 25755, 30300, 31875, 34340, 37500, 37875, 42500, 42925, 50500, 51510, 53125, 63125, 63750, 75750, 85850, 103020, 106250, 126250, 127500, 128775, 151500, 159375, 171700, 189375, 212500, 214625, 252500, 257550, 315625, 318750, 378750, 429250, 515100, 631250, 637500, 643875, 757500, 858500, 946875, 1073125, 1262500, 1287750, 1893750, 2146250, 2575500, 3219375, 3787500, 4292500, 5365625, 6438750, 10731250, 12877500, 16096875, 21462500, 32193750, 64387500]

約数ペア:

[(1, 64387500), (2, 32193750), (3, 21462500), (4, 16096875), (5, 12877500), (6, 10731250), (10, 6438750), (12, 5365625), (15, 4292500), (17, 3787500), (20, 3219375), (25, 2575500), (30, 2146250), (34, 1893750), (50, 1287750), (51, 1262500), (60, 1073125), (68, 946875), (75, 858500), (85, 757500), (100, 643875), (101, 637500), (102, 631250), (125, 515100), (150, 429250), (170, 378750), (202, 318750), (204, 315625), (250, 257550), (255, 252500), (300, 214625), (303, 212500), (340, 189375), (375, 171700), (404, 159375), (425, 151500), (500, 128775), (505, 127500), (510, 126250), (606, 106250), (625, 103020), (750, 85850), (850, 75750), (1010, 63750), (1020, 63125), (1212, 53125), (1250, 51510), (1275, 50500), (1500, 42925), (1515, 42500), (1700, 37875), (1717, 37500), (1875, 34340), (2020, 31875), (2125, 30300), (2500, 25755), (2525, 25500), (2550, 25250), (3030, 21250), (3125, 20604), (3434, 18750), (3750, 17170), (4250, 15150), (5050, 12750), (5100, 12625), (5151, 12500), (6060, 10625), (6250, 10302), (6375, 10100), (6868, 9375), (7500, 8585), (7575, 8500)]