320441832

素因数分解:

$2^3\times 3^4\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1508

約数の個数: 80

約数和(自身を含む): 900240000

約数和(自身を除く): 579798168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 499, 648, 991, 998, 1497, 1982, 1996, 2973, 2994, 3964, 3992, 4491, 5946, 5988, 7928, 8919, 8982, 11892, 11976, 13473, 17838, 17964, 23784, 26757, 26946, 35676, 35928, 40419, 53514, 53892, 71352, 80271, 80838, 107028, 107784, 160542, 161676, 214056, 321084, 323352, 494509, 642168, 989018, 1483527, 1978036, 2967054, 3956072, 4450581, 5934108, 8901162, 11868216, 13351743, 17802324, 26703486, 35604648, 40055229, 53406972, 80110458, 106813944, 160220916, 320441832]

約数ペア:

[(1, 320441832), (2, 160220916), (3, 106813944), (4, 80110458), (6, 53406972), (8, 40055229), (9, 35604648), (12, 26703486), (18, 17802324), (24, 13351743), (27, 11868216), (36, 8901162), (54, 5934108), (72, 4450581), (81, 3956072), (108, 2967054), (162, 1978036), (216, 1483527), (324, 989018), (499, 642168), (648, 494509), (991, 323352), (998, 321084), (1497, 214056), (1982, 161676), (1996, 160542), (2973, 107784), (2994, 107028), (3964, 80838), (3992, 80271), (4491, 71352), (5946, 53892), (5988, 53514), (7928, 40419), (8919, 35928), (8982, 35676), (11892, 26946), (11976, 26757), (13473, 23784), (17838, 17964)]