209928720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2423}}^1$

素因数の和:2477

約数の個数: 120

約数和(自身を含む): 687116736

約数和(自身を除く): 477188016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 912, 1083, 1140, 1444, 1520, 1805, 2166, 2280, 2423, 2888, 3610, 4332, 4560, 4846, 5415, 5776, 7220, 7269, 8664, 9692, 10830, 12115, 14440, 14538, 17328, 19384, 21660, 24230, 28880, 29076, 36345, 38768, 43320, 46037, 48460, 58152, 72690, 86640, 92074, 96920, 116304, 138111, 145380, 184148, 193840, 230185, 276222, 290760, 368296, 460370, 552444, 581520, 690555, 736592, 874703, 920740, 1104888, 1381110, 1749406, 1841480, 2209776, 2624109, 2762220, 3498812, 3682960, 4373515, 5248218, 5524440, 6997624, 8747030, 10496436, 11048880, 13120545, 13995248, 17494060, 20992872, 26241090, 34988120, 41985744, 52482180, 69976240, 104964360, 209928720]

約数ペア:

[(1, 209928720), (2, 104964360), (3, 69976240), (4, 52482180), (5, 41985744), (6, 34988120), (8, 26241090), (10, 20992872), (12, 17494060), (15, 13995248), (16, 13120545), (19, 11048880), (20, 10496436), (24, 8747030), (30, 6997624), (38, 5524440), (40, 5248218), (48, 4373515), (57, 3682960), (60, 3498812), (76, 2762220), (80, 2624109), (95, 2209776), (114, 1841480), (120, 1749406), (152, 1381110), (190, 1104888), (228, 920740), (240, 874703), (285, 736592), (304, 690555), (361, 581520), (380, 552444), (456, 460370), (570, 368296), (722, 290760), (760, 276222), (912, 230185), (1083, 193840), (1140, 184148), (1444, 145380), (1520, 138111), (1805, 116304), (2166, 96920), (2280, 92074), (2423, 86640), (2888, 72690), (3610, 58152), (4332, 48460), (4560, 46037), (4846, 43320), (5415, 38768), (5776, 36345), (7220, 29076), (7269, 28880), (8664, 24230), (9692, 21660), (10830, 19384), (12115, 17328), (14440, 14538)]