76881960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 160

約数和(自身を含む): 263320200

約数和(自身を除く): 186438240

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, 389, 405, 488, 540, 549, 610, 648, 732, 778, 810, 915, 1080, 1098, 1167, 1220, 1464, 1556, 1620, 1647, 1830, 1945, 2196, 2334, 2440, 2745, 3112, 3240, 3294, 3501, 3660, 3890, 4392, 4668, 4941, 5490, 5835, 6588, 7002, 7320, 7780, 8235, 9336, 9882, 10503, 10980, 11670, 13176, 14004, 15560, 16470, 17505, 19764, 21006, 21960, 23340, 23729, 24705, 28008, 31509, 32940, 35010, 39528, 42012, 46680, 47458, 49410, 52515, 63018, 65880, 70020, 71187, 84024, 94916, 98820, 105030, 118645, 126036, 140040, 142374, 157545, 189832, 197640, 210060, 213561, 237290, 252072, 284748, 315090, 355935, 420120, 427122, 474580, 569496, 630180, 640683, 711870, 854244, 949160, 1067805, 1260360, 1281366, 1423740, 1708488, 1922049, 2135610, 2562732, 2847480, 3203415, 3844098, 4271220, 5125464, 6406830, 7688196, 8542440, 9610245, 12813660, 15376392, 19220490, 25627320, 38440980, 76881960]

約数ペア:

[(1, 76881960), (2, 38440980), (3, 25627320), (4, 19220490), (5, 15376392), (6, 12813660), (8, 9610245), (9, 8542440), (10, 7688196), (12, 6406830), (15, 5125464), (18, 4271220), (20, 3844098), (24, 3203415), (27, 2847480), (30, 2562732), (36, 2135610), (40, 1922049), (45, 1708488), (54, 1423740), (60, 1281366), (61, 1260360), (72, 1067805), (81, 949160), (90, 854244), (108, 711870), (120, 640683), (122, 630180), (135, 569496), (162, 474580), (180, 427122), (183, 420120), (216, 355935), (244, 315090), (270, 284748), (305, 252072), (324, 237290), (360, 213561), (366, 210060), (389, 197640), (405, 189832), (488, 157545), (540, 142374), (549, 140040), (610, 126036), (648, 118645), (732, 105030), (778, 98820), (810, 94916), (915, 84024), (1080, 71187), (1098, 70020), (1167, 65880), (1220, 63018), (1464, 52515), (1556, 49410), (1620, 47458), (1647, 46680), (1830, 42012), (1945, 39528), (2196, 35010), (2334, 32940), (2440, 31509), (2745, 28008), (3112, 24705), (3240, 23729), (3294, 23340), (3501, 21960), (3660, 21006), (3890, 19764), (4392, 17505), (4668, 16470), (4941, 15560), (5490, 14004), (5835, 13176), (6588, 11670), (7002, 10980), (7320, 10503), (7780, 9882), (8235, 9336)]