66983680

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 164313072

約数和(自身を除く): 97329392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1217, 1280, 1376, 1720, 2434, 2752, 3440, 4868, 5504, 6085, 6880, 9736, 11008, 12170, 13760, 19472, 24340, 27520, 38944, 48680, 52331, 55040, 77888, 97360, 104662, 155776, 194720, 209324, 261655, 311552, 389440, 418648, 523310, 778880, 837296, 1046620, 1557760, 1674592, 2093240, 3349184, 4186480, 6698368, 8372960, 13396736, 16745920, 33491840, 66983680]

約数ペア:

[(1, 66983680), (2, 33491840), (4, 16745920), (5, 13396736), (8, 8372960), (10, 6698368), (16, 4186480), (20, 3349184), (32, 2093240), (40, 1674592), (43, 1557760), (64, 1046620), (80, 837296), (86, 778880), (128, 523310), (160, 418648), (172, 389440), (215, 311552), (256, 261655), (320, 209324), (344, 194720), (430, 155776), (640, 104662), (688, 97360), (860, 77888), (1217, 55040), (1280, 52331), (1376, 48680), (1720, 38944), (2434, 27520), (2752, 24340), (3440, 19472), (4868, 13760), (5504, 12170), (6085, 11008), (6880, 9736)]