209979120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 731953152

約数和(自身を除く): 521974032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 167, 169, 186, 195, 208, 240, 248, 260, 310, 312, 334, 338, 372, 390, 403, 465, 496, 501, 507, 520, 620, 624, 668, 676, 744, 780, 806, 835, 845, 930, 1002, 1014, 1040, 1209, 1240, 1336, 1352, 1488, 1560, 1612, 1670, 1690, 1860, 2004, 2015, 2028, 2171, 2418, 2480, 2505, 2535, 2672, 2704, 3120, 3224, 3340, 3380, 3720, 4008, 4030, 4056, 4342, 4836, 5010, 5070, 5177, 5239, 6045, 6448, 6513, 6680, 6760, 7440, 8016, 8060, 8112, 8684, 9672, 10020, 10140, 10354, 10478, 10855, 12090, 13026, 13360, 13520, 15531, 15717, 16120, 17368, 19344, 20040, 20280, 20708, 20956, 21710, 24180, 25885, 26052, 26195, 28223, 31062, 31434, 32240, 32565, 34736, 40080, 40560, 41416, 41912, 43420, 48360, 51770, 52104, 52390, 56446, 62124, 62868, 65130, 67301, 77655, 78585, 82832, 83824, 84669, 86840, 96720, 103540, 104208, 104780, 112892, 124248, 125736, 130260, 134602, 141115, 155310, 157170, 169338, 173680, 201903, 207080, 209560, 225784, 248496, 251472, 260520, 269204, 282230, 310620, 314340, 336505, 338676, 403806, 414160, 419120, 423345, 451568, 521040, 538408, 564460, 621240, 628680, 673010, 677352, 807612, 846690, 874913, 1009515, 1076816, 1128920, 1242480, 1257360, 1346020, 1354704, 1615224, 1693380, 1749826, 2019030, 2257840, 2624739, 2692040, 3230448, 3386760, 3499652, 4038060, 4374565, 5249478, 5384080, 6773520, 6999304, 8076120, 8749130, 10498956, 13123695, 13998608, 16152240, 17498260, 20997912, 26247390, 34996520, 41995824, 52494780, 69993040, 104989560, 209979120]

約数ペア:

[(1, 209979120), (2, 104989560), (3, 69993040), (4, 52494780), (5, 41995824), (6, 34996520), (8, 26247390), (10, 20997912), (12, 17498260), (13, 16152240), (15, 13998608), (16, 13123695), (20, 10498956), (24, 8749130), (26, 8076120), (30, 6999304), (31, 6773520), (39, 5384080), (40, 5249478), (48, 4374565), (52, 4038060), (60, 3499652), (62, 3386760), (65, 3230448), (78, 2692040), (80, 2624739), (93, 2257840), (104, 2019030), (120, 1749826), (124, 1693380), (130, 1615224), (155, 1354704), (156, 1346020), (167, 1257360), (169, 1242480), (186, 1128920), (195, 1076816), (208, 1009515), (240, 874913), (248, 846690), (260, 807612), (310, 677352), (312, 673010), (334, 628680), (338, 621240), (372, 564460), (390, 538408), (403, 521040), (465, 451568), (496, 423345), (501, 419120), (507, 414160), (520, 403806), (620, 338676), (624, 336505), (668, 314340), (676, 310620), (744, 282230), (780, 269204), (806, 260520), (835, 251472), (845, 248496), (930, 225784), (1002, 209560), (1014, 207080), (1040, 201903), (1209, 173680), (1240, 169338), (1336, 157170), (1352, 155310), (1488, 141115), (1560, 134602), (1612, 130260), (1670, 125736), (1690, 124248), (1860, 112892), (2004, 104780), (2015, 104208), (2028, 103540), (2171, 96720), (2418, 86840), (2480, 84669), (2505, 83824), (2535, 82832), (2672, 78585), (2704, 77655), (3120, 67301), (3224, 65130), (3340, 62868), (3380, 62124), (3720, 56446), (4008, 52390), (4030, 52104), (4056, 51770), (4342, 48360), (4836, 43420), (5010, 41912), (5070, 41416), (5177, 40560), (5239, 40080), (6045, 34736), (6448, 32565), (6513, 32240), (6680, 31434), (6760, 31062), (7440, 28223), (8016, 26195), (8060, 26052), (8112, 25885), (8684, 24180), (9672, 21710), (10020, 20956), (10140, 20708), (10354, 20280), (10478, 20040), (10855, 19344), (12090, 17368), (13026, 16120), (13360, 15717), (13520, 15531)]