203556780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^4\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 240

約数和(自身を含む): 743497440

約数和(自身を除く): 539940660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 157, 180, 189, 196, 210, 245, 252, 270, 294, 314, 315, 343, 378, 420, 441, 471, 490, 540, 588, 628, 630, 686, 735, 756, 785, 882, 942, 945, 980, 1029, 1099, 1260, 1323, 1372, 1413, 1470, 1570, 1715, 1764, 1884, 1890, 2058, 2198, 2205, 2355, 2401, 2646, 2826, 2940, 3087, 3140, 3297, 3430, 3780, 4116, 4239, 4396, 4410, 4710, 4802, 5145, 5292, 5495, 5652, 6174, 6594, 6615, 6860, 7065, 7203, 7693, 8478, 8820, 9261, 9420, 9604, 9891, 10290, 10990, 12005, 12348, 13188, 13230, 14130, 14406, 15386, 15435, 16485, 16956, 18522, 19782, 20580, 21195, 21609, 21980, 23079, 24010, 26460, 28260, 28812, 29673, 30772, 30870, 32970, 36015, 37044, 38465, 39564, 42390, 43218, 46158, 46305, 48020, 49455, 53851, 59346, 61740, 64827, 65940, 69237, 72030, 76930, 84780, 86436, 92316, 92610, 98910, 107702, 108045, 115395, 118692, 129654, 138474, 144060, 148365, 153860, 161553, 185220, 197820, 207711, 215404, 216090, 230790, 259308, 269255, 276948, 296730, 323106, 324135, 346185, 376957, 415422, 432180, 461580, 484659, 538510, 593460, 646212, 648270, 692370, 753914, 807765, 830844, 969318, 1038555, 1077020, 1130871, 1296540, 1384740, 1453977, 1507828, 1615530, 1884785, 1938636, 2077110, 2261742, 2423295, 2907954, 3231060, 3392613, 3769570, 4154220, 4523484, 4846590, 5654355, 5815908, 6785226, 7269885, 7539140, 9693180, 10177839, 11308710, 13570452, 14539770, 16963065, 20355678, 22617420, 29079540, 33926130, 40711356, 50889195, 67852260, 101778390, 203556780]

約数ペア:

[(1, 203556780), (2, 101778390), (3, 67852260), (4, 50889195), (5, 40711356), (6, 33926130), (7, 29079540), (9, 22617420), (10, 20355678), (12, 16963065), (14, 14539770), (15, 13570452), (18, 11308710), (20, 10177839), (21, 9693180), (27, 7539140), (28, 7269885), (30, 6785226), (35, 5815908), (36, 5654355), (42, 4846590), (45, 4523484), (49, 4154220), (54, 3769570), (60, 3392613), (63, 3231060), (70, 2907954), (84, 2423295), (90, 2261742), (98, 2077110), (105, 1938636), (108, 1884785), (126, 1615530), (135, 1507828), (140, 1453977), (147, 1384740), (157, 1296540), (180, 1130871), (189, 1077020), (196, 1038555), (210, 969318), (245, 830844), (252, 807765), (270, 753914), (294, 692370), (314, 648270), (315, 646212), (343, 593460), (378, 538510), (420, 484659), (441, 461580), (471, 432180), (490, 415422), (540, 376957), (588, 346185), (628, 324135), (630, 323106), (686, 296730), (735, 276948), (756, 269255), (785, 259308), (882, 230790), (942, 216090), (945, 215404), (980, 207711), (1029, 197820), (1099, 185220), (1260, 161553), (1323, 153860), (1372, 148365), (1413, 144060), (1470, 138474), (1570, 129654), (1715, 118692), (1764, 115395), (1884, 108045), (1890, 107702), (2058, 98910), (2198, 92610), (2205, 92316), (2355, 86436), (2401, 84780), (2646, 76930), (2826, 72030), (2940, 69237), (3087, 65940), (3140, 64827), (3297, 61740), (3430, 59346), (3780, 53851), (4116, 49455), (4239, 48020), (4396, 46305), (4410, 46158), (4710, 43218), (4802, 42390), (5145, 39564), (5292, 38465), (5495, 37044), (5652, 36015), (6174, 32970), (6594, 30870), (6615, 30772), (6860, 29673), (7065, 28812), (7203, 28260), (7693, 26460), (8478, 24010), (8820, 23079), (9261, 21980), (9420, 21609), (9604, 21195), (9891, 20580), (10290, 19782), (10990, 18522), (12005, 16956), (12348, 16485), (13188, 15435), (13230, 15386), (14130, 14406)]