7980240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 25373376

約数和(自身を除く): 17393136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 811, 820, 984, 1230, 1622, 1640, 1968, 2433, 2460, 3244, 3280, 4055, 4866, 4920, 6488, 8110, 9732, 9840, 12165, 12976, 16220, 19464, 24330, 32440, 33251, 38928, 48660, 64880, 66502, 97320, 99753, 133004, 166255, 194640, 199506, 266008, 332510, 399012, 498765, 532016, 665020, 798024, 997530, 1330040, 1596048, 1995060, 2660080, 3990120, 7980240]

約数ペア:

[(1, 7980240), (2, 3990120), (3, 2660080), (4, 1995060), (5, 1596048), (6, 1330040), (8, 997530), (10, 798024), (12, 665020), (15, 532016), (16, 498765), (20, 399012), (24, 332510), (30, 266008), (40, 199506), (41, 194640), (48, 166255), (60, 133004), (80, 99753), (82, 97320), (120, 66502), (123, 64880), (164, 48660), (205, 38928), (240, 33251), (246, 32440), (328, 24330), (410, 19464), (492, 16220), (615, 12976), (656, 12165), (811, 9840), (820, 9732), (984, 8110), (1230, 6488), (1622, 4920), (1640, 4866), (1968, 4055), (2433, 3280), (2460, 3244)]