205257780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4177}}^1$

素因数の和:4215

約数の個数: 192

約数和(自身を含む): 786132480

約数和(自身を除く): 580874700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4177, 4914, 5460, 7020, 8190, 8354, 9828, 12285, 12531, 16380, 16708, 20885, 24570, 25062, 29239, 37593, 41770, 49140, 50124, 54301, 58478, 62655, 75186, 83540, 87717, 108602, 112779, 116956, 125310, 146195, 150372, 162903, 175434, 187965, 217204, 225558, 250620, 263151, 271505, 292390, 325806, 350868, 375930, 380107, 438585, 451116, 488709, 526302, 543010, 563895, 584780, 651612, 751860, 760214, 789453, 814515, 877170, 977418, 1052604, 1086020, 1127790, 1140321, 1315755, 1466127, 1520428, 1578906, 1629030, 1754340, 1900535, 1954836, 2255580, 2280642, 2443545, 2631510, 2932254, 3157812, 3258060, 3420963, 3801070, 3947265, 4561284, 4887090, 5263020, 5701605, 5864508, 6841926, 7330635, 7602140, 7894530, 9774180, 10262889, 11403210, 13683852, 14661270, 15789060, 17104815, 20525778, 22806420, 29322540, 34209630, 41051556, 51314445, 68419260, 102628890, 205257780]

約数ペア:

[(1, 205257780), (2, 102628890), (3, 68419260), (4, 51314445), (5, 41051556), (6, 34209630), (7, 29322540), (9, 22806420), (10, 20525778), (12, 17104815), (13, 15789060), (14, 14661270), (15, 13683852), (18, 11403210), (20, 10262889), (21, 9774180), (26, 7894530), (27, 7602140), (28, 7330635), (30, 6841926), (35, 5864508), (36, 5701605), (39, 5263020), (42, 4887090), (45, 4561284), (52, 3947265), (54, 3801070), (60, 3420963), (63, 3258060), (65, 3157812), (70, 2932254), (78, 2631510), (84, 2443545), (90, 2280642), (91, 2255580), (105, 1954836), (108, 1900535), (117, 1754340), (126, 1629030), (130, 1578906), (135, 1520428), (140, 1466127), (156, 1315755), (180, 1140321), (182, 1127790), (189, 1086020), (195, 1052604), (210, 977418), (234, 877170), (252, 814515), (260, 789453), (270, 760214), (273, 751860), (315, 651612), (351, 584780), (364, 563895), (378, 543010), (390, 526302), (420, 488709), (455, 451116), (468, 438585), (540, 380107), (546, 375930), (585, 350868), (630, 325806), (702, 292390), (756, 271505), (780, 263151), (819, 250620), (910, 225558), (945, 217204), (1092, 187965), (1170, 175434), (1260, 162903), (1365, 150372), (1404, 146195), (1638, 125310), (1755, 116956), (1820, 112779), (1890, 108602), (2340, 87717), (2457, 83540), (2730, 75186), (3276, 62655), (3510, 58478), (3780, 54301), (4095, 50124), (4177, 49140), (4914, 41770), (5460, 37593), (7020, 29239), (8190, 25062), (8354, 24570), (9828, 20885), (12285, 16708), (12531, 16380)]