30831000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 98841600

約数和(自身を除く): 68010600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 125, 129, 150, 172, 200, 215, 239, 250, 258, 300, 344, 375, 430, 478, 500, 516, 600, 645, 717, 750, 860, 956, 1000, 1032, 1075, 1195, 1290, 1434, 1500, 1720, 1912, 2150, 2390, 2580, 2868, 3000, 3225, 3585, 4300, 4780, 5160, 5375, 5736, 5975, 6450, 7170, 8600, 9560, 10277, 10750, 11950, 12900, 14340, 16125, 17925, 20554, 21500, 23900, 25800, 28680, 29875, 30831, 32250, 35850, 41108, 43000, 47800, 51385, 59750, 61662, 64500, 71700, 82216, 89625, 102770, 119500, 123324, 129000, 143400, 154155, 179250, 205540, 239000, 246648, 256925, 308310, 358500, 411080, 513850, 616620, 717000, 770775, 1027700, 1233240, 1284625, 1541550, 2055400, 2569250, 3083100, 3853875, 5138500, 6166200, 7707750, 10277000, 15415500, 30831000]

約数ペア:

[(1, 30831000), (2, 15415500), (3, 10277000), (4, 7707750), (5, 6166200), (6, 5138500), (8, 3853875), (10, 3083100), (12, 2569250), (15, 2055400), (20, 1541550), (24, 1284625), (25, 1233240), (30, 1027700), (40, 770775), (43, 717000), (50, 616620), (60, 513850), (75, 411080), (86, 358500), (100, 308310), (120, 256925), (125, 246648), (129, 239000), (150, 205540), (172, 179250), (200, 154155), (215, 143400), (239, 129000), (250, 123324), (258, 119500), (300, 102770), (344, 89625), (375, 82216), (430, 71700), (478, 64500), (500, 61662), (516, 59750), (600, 51385), (645, 47800), (717, 43000), (750, 41108), (860, 35850), (956, 32250), (1000, 30831), (1032, 29875), (1075, 28680), (1195, 25800), (1290, 23900), (1434, 21500), (1500, 20554), (1720, 17925), (1912, 16125), (2150, 14340), (2390, 12900), (2580, 11950), (2868, 10750), (3000, 10277), (3225, 9560), (3585, 8600), (4300, 7170), (4780, 6450), (5160, 5975), (5375, 5736)]