172638540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1747}}^1$

素因数の和:1829

約数の個数: 120

約数和(自身を含む): 550766832

約数和(自身を除く): 378128292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 610, 732, 810, 915, 1098, 1220, 1620, 1647, 1747, 1830, 2196, 2745, 3294, 3494, 3660, 4941, 5241, 5490, 6588, 6988, 8235, 8735, 9882, 10482, 10980, 15723, 16470, 17470, 19764, 20964, 24705, 26205, 31446, 32940, 34940, 47169, 49410, 52410, 62892, 78615, 94338, 98820, 104820, 106567, 141507, 157230, 188676, 213134, 235845, 283014, 314460, 319701, 426268, 471690, 532835, 566028, 639402, 707535, 943380, 959103, 1065670, 1278804, 1415070, 1598505, 1918206, 2131340, 2830140, 2877309, 3197010, 3836412, 4795515, 5754618, 6394020, 8631927, 9591030, 11509236, 14386545, 17263854, 19182060, 28773090, 34527708, 43159635, 57546180, 86319270, 172638540]

約数ペア:

[(1, 172638540), (2, 86319270), (3, 57546180), (4, 43159635), (5, 34527708), (6, 28773090), (9, 19182060), (10, 17263854), (12, 14386545), (15, 11509236), (18, 9591030), (20, 8631927), (27, 6394020), (30, 5754618), (36, 4795515), (45, 3836412), (54, 3197010), (60, 2877309), (61, 2830140), (81, 2131340), (90, 1918206), (108, 1598505), (122, 1415070), (135, 1278804), (162, 1065670), (180, 959103), (183, 943380), (244, 707535), (270, 639402), (305, 566028), (324, 532835), (366, 471690), (405, 426268), (540, 319701), (549, 314460), (610, 283014), (732, 235845), (810, 213134), (915, 188676), (1098, 157230), (1220, 141507), (1620, 106567), (1647, 104820), (1747, 98820), (1830, 94338), (2196, 78615), (2745, 62892), (3294, 52410), (3494, 49410), (3660, 47169), (4941, 34940), (5241, 32940), (5490, 31446), (6588, 26205), (6988, 24705), (8235, 20964), (8735, 19764), (9882, 17470), (10482, 16470), (10980, 15723)]