18658680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2549}}^1$

素因数の和:2624

約数の個数: 64

約数和(自身を含む): 56916000

約数和(自身を除く): 38257320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2549, 3660, 5098, 7320, 7647, 10196, 12745, 15294, 20392, 25490, 30588, 38235, 50980, 61176, 76470, 101960, 152940, 155489, 305880, 310978, 466467, 621956, 777445, 932934, 1243912, 1554890, 1865868, 2332335, 3109780, 3731736, 4664670, 6219560, 9329340, 18658680]

約数ペア:

[(1, 18658680), (2, 9329340), (3, 6219560), (4, 4664670), (5, 3731736), (6, 3109780), (8, 2332335), (10, 1865868), (12, 1554890), (15, 1243912), (20, 932934), (24, 777445), (30, 621956), (40, 466467), (60, 310978), (61, 305880), (120, 155489), (122, 152940), (183, 101960), (244, 76470), (305, 61176), (366, 50980), (488, 38235), (610, 30588), (732, 25490), (915, 20392), (1220, 15294), (1464, 12745), (1830, 10196), (2440, 7647), (2549, 7320), (3660, 5098)]