80121960

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{8243}}^1$

素因数の和:8269

約数の個数: 96

約数和(自身を含む): 270073440

約数和(自身を除く): 189951480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 8243, 9720, 16486, 24729, 32972, 41215, 49458, 65944, 74187, 82430, 98916, 123645, 148374, 164860, 197832, 222561, 247290, 296748, 329720, 370935, 445122, 494580, 593496, 667683, 741870, 890244, 989160, 1112805, 1335366, 1483740, 1780488, 2003049, 2225610, 2670732, 2967480, 3338415, 4006098, 4451220, 5341464, 6676830, 8012196, 8902440, 10015245, 13353660, 16024392, 20030490, 26707320, 40060980, 80121960]

約数ペア:

[(1, 80121960), (2, 40060980), (3, 26707320), (4, 20030490), (5, 16024392), (6, 13353660), (8, 10015245), (9, 8902440), (10, 8012196), (12, 6676830), (15, 5341464), (18, 4451220), (20, 4006098), (24, 3338415), (27, 2967480), (30, 2670732), (36, 2225610), (40, 2003049), (45, 1780488), (54, 1483740), (60, 1335366), (72, 1112805), (81, 989160), (90, 890244), (108, 741870), (120, 667683), (135, 593496), (162, 494580), (180, 445122), (216, 370935), (243, 329720), (270, 296748), (324, 247290), (360, 222561), (405, 197832), (486, 164860), (540, 148374), (648, 123645), (810, 98916), (972, 82430), (1080, 74187), (1215, 65944), (1620, 49458), (1944, 41215), (2430, 32972), (3240, 24729), (4860, 16486), (8243, 9720)]