84217840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1489}}^1$

素因数の和:1610

約数の個数: 80

約数和(自身を含む): 226146240

約数和(自身を除く): 141928400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1489, 1616, 2020, 2828, 2978, 3535, 4040, 5656, 5956, 7070, 7445, 8080, 10423, 11312, 11912, 14140, 14890, 20846, 23824, 28280, 29780, 41692, 52115, 56560, 59560, 83384, 104230, 119120, 150389, 166768, 208460, 300778, 416920, 601556, 751945, 833840, 1052723, 1203112, 1503890, 2105446, 2406224, 3007780, 4210892, 5263615, 6015560, 8421784, 10527230, 12031120, 16843568, 21054460, 42108920, 84217840]

約数ペア:

[(1, 84217840), (2, 42108920), (4, 21054460), (5, 16843568), (7, 12031120), (8, 10527230), (10, 8421784), (14, 6015560), (16, 5263615), (20, 4210892), (28, 3007780), (35, 2406224), (40, 2105446), (56, 1503890), (70, 1203112), (80, 1052723), (101, 833840), (112, 751945), (140, 601556), (202, 416920), (280, 300778), (404, 208460), (505, 166768), (560, 150389), (707, 119120), (808, 104230), (1010, 83384), (1414, 59560), (1489, 56560), (1616, 52115), (2020, 41692), (2828, 29780), (2978, 28280), (3535, 23824), (4040, 20846), (5656, 14890), (5956, 14140), (7070, 11912), (7445, 11312), (8080, 10423)]