65880

素因数分解:

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

素因数の和:81

約数の個数: 64

約数和(自身を含む): 223200

約数和(自身を除く): 157320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 5490, 6588, 7320, 8235, 10980, 13176, 16470, 21960, 32940, 65880]

約数ペア:

[(1, 65880), (2, 32940), (3, 21960), (4, 16470), (5, 13176), (6, 10980), (8, 8235), (9, 7320), (10, 6588), (12, 5490), (15, 4392), (18, 3660), (20, 3294), (24, 2745), (27, 2440), (30, 2196), (36, 1830), (40, 1647), (45, 1464), (54, 1220), (60, 1098), (61, 1080), (72, 915), (90, 732), (108, 610), (120, 549), (122, 540), (135, 488), (180, 366), (183, 360), (216, 305), (244, 270)]