8008080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 25278144

約数和(自身を除く): 17270064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 547, 610, 732, 915, 976, 1094, 1220, 1464, 1641, 1830, 2188, 2440, 2735, 2928, 3282, 3660, 4376, 4880, 5470, 6564, 7320, 8205, 8752, 10940, 13128, 14640, 16410, 21880, 26256, 32820, 33367, 43760, 65640, 66734, 100101, 131280, 133468, 166835, 200202, 266936, 333670, 400404, 500505, 533872, 667340, 800808, 1001010, 1334680, 1601616, 2002020, 2669360, 4004040, 8008080]

約数ペア:

[(1, 8008080), (2, 4004040), (3, 2669360), (4, 2002020), (5, 1601616), (6, 1334680), (8, 1001010), (10, 800808), (12, 667340), (15, 533872), (16, 500505), (20, 400404), (24, 333670), (30, 266936), (40, 200202), (48, 166835), (60, 133468), (61, 131280), (80, 100101), (120, 66734), (122, 65640), (183, 43760), (240, 33367), (244, 32820), (305, 26256), (366, 21880), (488, 16410), (547, 14640), (610, 13128), (732, 10940), (915, 8752), (976, 8205), (1094, 7320), (1220, 6564), (1464, 5470), (1641, 4880), (1830, 4376), (2188, 3660), (2440, 3282), (2735, 2928)]