208901280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:891

約数の個数: 192

約数和(自身を含む): 762531840

約数和(自身を除く): 553630560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 210, 224, 237, 240, 280, 316, 336, 395, 420, 474, 480, 553, 560, 632, 672, 787, 790, 840, 948, 1106, 1120, 1185, 1264, 1574, 1580, 1659, 1680, 1896, 2212, 2361, 2370, 2528, 2765, 3148, 3160, 3318, 3360, 3792, 3935, 4424, 4722, 4740, 5509, 5530, 6296, 6320, 6636, 7584, 7870, 8295, 8848, 9444, 9480, 11018, 11060, 11805, 12592, 12640, 13272, 15740, 16527, 16590, 17696, 18888, 18960, 22036, 22120, 23610, 25184, 26544, 27545, 31480, 33054, 33180, 37776, 37920, 44072, 44240, 47220, 53088, 55090, 62173, 62960, 66108, 66360, 75552, 82635, 88144, 88480, 94440, 110180, 124346, 125920, 132216, 132720, 165270, 176288, 186519, 188880, 220360, 248692, 264432, 265440, 310865, 330540, 373038, 377760, 435211, 440720, 497384, 528864, 621730, 661080, 746076, 870422, 881440, 932595, 994768, 1243460, 1305633, 1322160, 1492152, 1740844, 1865190, 1989536, 2176055, 2486920, 2611266, 2644320, 2984304, 3481688, 3730380, 4352110, 4973840, 5222532, 5968608, 6528165, 6963376, 7460760, 8704220, 9947680, 10445064, 13056330, 13926752, 14921520, 17408440, 20890128, 26112660, 29843040, 34816880, 41780256, 52225320, 69633760, 104450640, 208901280]

約数ペア:

[(1, 208901280), (2, 104450640), (3, 69633760), (4, 52225320), (5, 41780256), (6, 34816880), (7, 29843040), (8, 26112660), (10, 20890128), (12, 17408440), (14, 14921520), (15, 13926752), (16, 13056330), (20, 10445064), (21, 9947680), (24, 8704220), (28, 7460760), (30, 6963376), (32, 6528165), (35, 5968608), (40, 5222532), (42, 4973840), (48, 4352110), (56, 3730380), (60, 3481688), (70, 2984304), (79, 2644320), (80, 2611266), (84, 2486920), (96, 2176055), (105, 1989536), (112, 1865190), (120, 1740844), (140, 1492152), (158, 1322160), (160, 1305633), (168, 1243460), (210, 994768), (224, 932595), (237, 881440), (240, 870422), (280, 746076), (316, 661080), (336, 621730), (395, 528864), (420, 497384), (474, 440720), (480, 435211), (553, 377760), (560, 373038), (632, 330540), (672, 310865), (787, 265440), (790, 264432), (840, 248692), (948, 220360), (1106, 188880), (1120, 186519), (1185, 176288), (1264, 165270), (1574, 132720), (1580, 132216), (1659, 125920), (1680, 124346), (1896, 110180), (2212, 94440), (2361, 88480), (2370, 88144), (2528, 82635), (2765, 75552), (3148, 66360), (3160, 66108), (3318, 62960), (3360, 62173), (3792, 55090), (3935, 53088), (4424, 47220), (4722, 44240), (4740, 44072), (5509, 37920), (5530, 37776), (6296, 33180), (6320, 33054), (6636, 31480), (7584, 27545), (7870, 26544), (8295, 25184), (8848, 23610), (9444, 22120), (9480, 22036), (11018, 18960), (11060, 18888), (11805, 17696), (12592, 16590), (12640, 16527), (13272, 15740)]