25627320

素因数分解:

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

素因数の和:470

約数の個数: 128

約数和(自身を含む): 87048000

約数和(自身を除く): 61420680

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, 389, 488, 540, 549, 610, 732, 778, 915, 1080, 1098, 1167, 1220, 1464, 1556, 1647, 1830, 1945, 2196, 2334, 2440, 2745, 3112, 3294, 3501, 3660, 3890, 4392, 4668, 5490, 5835, 6588, 7002, 7320, 7780, 8235, 9336, 10503, 10980, 11670, 13176, 14004, 15560, 16470, 17505, 21006, 21960, 23340, 23729, 28008, 32940, 35010, 42012, 46680, 47458, 52515, 65880, 70020, 71187, 84024, 94916, 105030, 118645, 140040, 142374, 189832, 210060, 213561, 237290, 284748, 355935, 420120, 427122, 474580, 569496, 640683, 711870, 854244, 949160, 1067805, 1281366, 1423740, 1708488, 2135610, 2562732, 2847480, 3203415, 4271220, 5125464, 6406830, 8542440, 12813660, 25627320]

約数ペア:

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