154978880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1676

約数の個数: 112

約数和(自身を含む): 431840640

約数和(自身を除く): 276861760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 140, 160, 172, 215, 224, 280, 301, 320, 344, 430, 448, 560, 602, 688, 860, 1120, 1204, 1376, 1505, 1609, 1720, 2240, 2408, 2752, 3010, 3218, 3440, 4816, 6020, 6436, 6880, 8045, 9632, 11263, 12040, 12872, 13760, 16090, 19264, 22526, 24080, 25744, 32180, 45052, 48160, 51488, 56315, 64360, 69187, 90104, 96320, 102976, 112630, 128720, 138374, 180208, 225260, 257440, 276748, 345935, 360416, 450520, 484309, 514880, 553496, 691870, 720832, 901040, 968618, 1106992, 1383740, 1802080, 1937236, 2213984, 2421545, 2767480, 3604160, 3874472, 4427968, 4843090, 5534960, 7748944, 9686180, 11069920, 15497888, 19372360, 22139840, 30995776, 38744720, 77489440, 154978880]

約数ペア:

[(1, 154978880), (2, 77489440), (4, 38744720), (5, 30995776), (7, 22139840), (8, 19372360), (10, 15497888), (14, 11069920), (16, 9686180), (20, 7748944), (28, 5534960), (32, 4843090), (35, 4427968), (40, 3874472), (43, 3604160), (56, 2767480), (64, 2421545), (70, 2213984), (80, 1937236), (86, 1802080), (112, 1383740), (140, 1106992), (160, 968618), (172, 901040), (215, 720832), (224, 691870), (280, 553496), (301, 514880), (320, 484309), (344, 450520), (430, 360416), (448, 345935), (560, 276748), (602, 257440), (688, 225260), (860, 180208), (1120, 138374), (1204, 128720), (1376, 112630), (1505, 102976), (1609, 96320), (1720, 90104), (2240, 69187), (2408, 64360), (2752, 56315), (3010, 51488), (3218, 48160), (3440, 45052), (4816, 32180), (6020, 25744), (6436, 24080), (6880, 22526), (8045, 19264), (9632, 16090), (11263, 13760), (12040, 12872)]