65287080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1072

約数の個数: 128

約数和(自身を含む): 221414400

約数和(自身を除く): 156127320

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, 991, 1080, 1098, 1220, 1464, 1647, 1830, 1982, 2196, 2440, 2745, 2973, 3294, 3660, 3964, 4392, 4955, 5490, 5946, 6588, 7320, 7928, 8235, 8919, 9910, 10980, 11892, 13176, 14865, 16470, 17838, 19820, 21960, 23784, 26757, 29730, 32940, 35676, 39640, 44595, 53514, 59460, 60451, 65880, 71352, 89190, 107028, 118920, 120902, 133785, 178380, 181353, 214056, 241804, 267570, 302255, 356760, 362706, 483608, 535140, 544059, 604510, 725412, 906765, 1070280, 1088118, 1209020, 1450824, 1632177, 1813530, 2176236, 2418040, 2720295, 3264354, 3627060, 4352472, 5440590, 6528708, 7254120, 8160885, 10881180, 13057416, 16321770, 21762360, 32643540, 65287080]

約数ペア:

[(1, 65287080), (2, 32643540), (3, 21762360), (4, 16321770), (5, 13057416), (6, 10881180), (8, 8160885), (9, 7254120), (10, 6528708), (12, 5440590), (15, 4352472), (18, 3627060), (20, 3264354), (24, 2720295), (27, 2418040), (30, 2176236), (36, 1813530), (40, 1632177), (45, 1450824), (54, 1209020), (60, 1088118), (61, 1070280), (72, 906765), (90, 725412), (108, 604510), (120, 544059), (122, 535140), (135, 483608), (180, 362706), (183, 356760), (216, 302255), (244, 267570), (270, 241804), (305, 214056), (360, 181353), (366, 178380), (488, 133785), (540, 120902), (549, 118920), (610, 107028), (732, 89190), (915, 71352), (991, 65880), (1080, 60451), (1098, 59460), (1220, 53514), (1464, 44595), (1647, 39640), (1830, 35676), (1982, 32940), (2196, 29730), (2440, 26757), (2745, 23784), (2973, 21960), (3294, 19820), (3660, 17838), (3964, 16470), (4392, 14865), (4955, 13176), (5490, 11892), (5946, 10980), (6588, 9910), (7320, 8919), (7928, 8235)]