197640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{61}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 675180

約数和(自身を除く): 477540

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, 81, 90, 108, 120, 122, 135, 162, 180, 183, 216, 244, 270, 305, 324, 360, 366, 405, 488, 540, 549, 610, 648, 732, 810, 915, 1080, 1098, 1220, 1464, 1620, 1647, 1830, 2196, 2440, 2745, 3240, 3294, 3660, 4392, 4941, 5490, 6588, 7320, 8235, 9882, 10980, 13176, 16470, 19764, 21960, 24705, 32940, 39528, 49410, 65880, 98820, 197640]

約数ペア:

[(1, 197640), (2, 98820), (3, 65880), (4, 49410), (5, 39528), (6, 32940), (8, 24705), (9, 21960), (10, 19764), (12, 16470), (15, 13176), (18, 10980), (20, 9882), (24, 8235), (27, 7320), (30, 6588), (36, 5490), (40, 4941), (45, 4392), (54, 3660), (60, 3294), (61, 3240), (72, 2745), (81, 2440), (90, 2196), (108, 1830), (120, 1647), (122, 1620), (135, 1464), (162, 1220), (180, 1098), (183, 1080), (216, 915), (244, 810), (270, 732), (305, 648), (324, 610), (360, 549), (366, 540), (405, 488)]