169741640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 419126400

約数和(自身を除く): 249384760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 43, 58, 82, 83, 86, 116, 145, 164, 166, 172, 205, 215, 232, 290, 328, 332, 344, 410, 415, 430, 580, 664, 820, 830, 860, 1160, 1189, 1247, 1640, 1660, 1720, 1763, 2378, 2407, 2494, 3320, 3403, 3526, 3569, 4756, 4814, 4988, 5945, 6235, 6806, 7052, 7138, 8815, 9512, 9628, 9976, 11890, 12035, 12470, 13612, 14104, 14276, 17015, 17630, 17845, 19256, 23780, 24070, 24940, 27224, 28552, 34030, 35260, 35690, 47560, 48140, 49880, 51127, 68060, 70520, 71380, 96280, 98687, 102254, 103501, 136120, 142760, 146329, 197374, 204508, 207002, 255635, 292658, 394748, 409016, 414004, 493435, 511270, 517505, 585316, 731645, 789496, 828008, 986870, 1022540, 1035010, 1170632, 1463290, 1973740, 2045080, 2070020, 2926580, 3947480, 4140040, 4243541, 5853160, 8487082, 16974164, 21217705, 33948328, 42435410, 84870820, 169741640]

約数ペア:

[(1, 169741640), (2, 84870820), (4, 42435410), (5, 33948328), (8, 21217705), (10, 16974164), (20, 8487082), (29, 5853160), (40, 4243541), (41, 4140040), (43, 3947480), (58, 2926580), (82, 2070020), (83, 2045080), (86, 1973740), (116, 1463290), (145, 1170632), (164, 1035010), (166, 1022540), (172, 986870), (205, 828008), (215, 789496), (232, 731645), (290, 585316), (328, 517505), (332, 511270), (344, 493435), (410, 414004), (415, 409016), (430, 394748), (580, 292658), (664, 255635), (820, 207002), (830, 204508), (860, 197374), (1160, 146329), (1189, 142760), (1247, 136120), (1640, 103501), (1660, 102254), (1720, 98687), (1763, 96280), (2378, 71380), (2407, 70520), (2494, 68060), (3320, 51127), (3403, 49880), (3526, 48140), (3569, 47560), (4756, 35690), (4814, 35260), (4988, 34030), (5945, 28552), (6235, 27224), (6806, 24940), (7052, 24070), (7138, 23780), (8815, 19256), (9512, 17845), (9628, 17630), (9976, 17015), (11890, 14276), (12035, 14104), (12470, 13612)]