80717640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11027}}^1$

素因数の和:11102

約数の個数: 64

約数和(自身を含む): 246144960

約数和(自身を除く): 165427320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 11027, 22054, 33081, 44108, 55135, 66162, 88216, 110270, 132324, 165405, 220540, 264648, 330810, 441080, 661620, 672647, 1323240, 1345294, 2017941, 2690588, 3363235, 4035882, 5381176, 6726470, 8071764, 10089705, 13452940, 16143528, 20179410, 26905880, 40358820, 80717640]

約数ペア:

[(1, 80717640), (2, 40358820), (3, 26905880), (4, 20179410), (5, 16143528), (6, 13452940), (8, 10089705), (10, 8071764), (12, 6726470), (15, 5381176), (20, 4035882), (24, 3363235), (30, 2690588), (40, 2017941), (60, 1345294), (61, 1323240), (120, 672647), (122, 661620), (183, 441080), (244, 330810), (305, 264648), (366, 220540), (488, 165405), (610, 132324), (732, 110270), (915, 88216), (1220, 66162), (1464, 55135), (1830, 44108), (2440, 33081), (3660, 22054), (7320, 11027)]