157775120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 382689792

約数和(自身を除く): 224914672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 452, 496, 563, 565, 620, 904, 1126, 1130, 1240, 1808, 2252, 2260, 2480, 2815, 3503, 4504, 4520, 5630, 7006, 9008, 9040, 11260, 14012, 17453, 17515, 22520, 28024, 34906, 35030, 45040, 56048, 63619, 69812, 70060, 87265, 127238, 139624, 140120, 174530, 254476, 279248, 280240, 318095, 349060, 508952, 636190, 698120, 1017904, 1272380, 1396240, 1972189, 2544760, 3944378, 5089520, 7888756, 9860945, 15777512, 19721890, 31555024, 39443780, 78887560, 157775120]

約数ペア:

[(1, 157775120), (2, 78887560), (4, 39443780), (5, 31555024), (8, 19721890), (10, 15777512), (16, 9860945), (20, 7888756), (31, 5089520), (40, 3944378), (62, 2544760), (80, 1972189), (113, 1396240), (124, 1272380), (155, 1017904), (226, 698120), (248, 636190), (310, 508952), (452, 349060), (496, 318095), (563, 280240), (565, 279248), (620, 254476), (904, 174530), (1126, 140120), (1130, 139624), (1240, 127238), (1808, 87265), (2252, 70060), (2260, 69812), (2480, 63619), (2815, 56048), (3503, 45040), (4504, 35030), (4520, 34906), (5630, 28024), (7006, 22520), (9008, 17515), (9040, 17453), (11260, 14012)]