191970120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 615081600

約数和(自身を除く): 423111480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 139, 170, 204, 255, 278, 340, 408, 417, 510, 556, 677, 680, 695, 834, 1020, 1112, 1354, 1390, 1668, 2031, 2040, 2085, 2363, 2708, 2780, 3336, 3385, 4062, 4170, 4726, 5416, 5560, 6770, 7089, 8124, 8340, 9452, 10155, 11509, 11815, 13540, 14178, 16248, 16680, 18904, 20310, 23018, 23630, 27080, 28356, 34527, 35445, 40620, 46036, 47260, 56712, 57545, 69054, 70890, 81240, 92072, 94103, 94520, 115090, 138108, 141780, 172635, 188206, 230180, 276216, 282309, 283560, 345270, 376412, 460360, 470515, 564618, 690540, 752824, 941030, 1129236, 1381080, 1411545, 1599751, 1882060, 2258472, 2823090, 3199502, 3764120, 4799253, 5646180, 6399004, 7998755, 9598506, 11292360, 12798008, 15997510, 19197012, 23996265, 31995020, 38394024, 47992530, 63990040, 95985060, 191970120]

約数ペア:

[(1, 191970120), (2, 95985060), (3, 63990040), (4, 47992530), (5, 38394024), (6, 31995020), (8, 23996265), (10, 19197012), (12, 15997510), (15, 12798008), (17, 11292360), (20, 9598506), (24, 7998755), (30, 6399004), (34, 5646180), (40, 4799253), (51, 3764120), (60, 3199502), (68, 2823090), (85, 2258472), (102, 1882060), (120, 1599751), (136, 1411545), (139, 1381080), (170, 1129236), (204, 941030), (255, 752824), (278, 690540), (340, 564618), (408, 470515), (417, 460360), (510, 376412), (556, 345270), (677, 283560), (680, 282309), (695, 276216), (834, 230180), (1020, 188206), (1112, 172635), (1354, 141780), (1390, 138108), (1668, 115090), (2031, 94520), (2040, 94103), (2085, 92072), (2363, 81240), (2708, 70890), (2780, 69054), (3336, 57545), (3385, 56712), (4062, 47260), (4170, 46036), (4726, 40620), (5416, 35445), (5560, 34527), (6770, 28356), (7089, 27080), (8124, 23630), (8340, 23018), (9452, 20310), (10155, 18904), (11509, 16680), (11815, 16248), (13540, 14178)]