123328560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1321}}^1$

素因数の和:1726

約数の個数: 80

約数和(自身を含む): 383591520

約数和(自身を除く): 260262960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1321, 1556, 1945, 2334, 2642, 3112, 3890, 3963, 4668, 5284, 5835, 6224, 6605, 7780, 7926, 9336, 10568, 11670, 13210, 15560, 15852, 18672, 19815, 21136, 23340, 26420, 31120, 31704, 39630, 46680, 52840, 63408, 79260, 93360, 105680, 158520, 317040, 513869, 1027738, 1541607, 2055476, 2569345, 3083214, 4110952, 5138690, 6166428, 7708035, 8221904, 10277380, 12332856, 15416070, 20554760, 24665712, 30832140, 41109520, 61664280, 123328560]

約数ペア:

[(1, 123328560), (2, 61664280), (3, 41109520), (4, 30832140), (5, 24665712), (6, 20554760), (8, 15416070), (10, 12332856), (12, 10277380), (15, 8221904), (16, 7708035), (20, 6166428), (24, 5138690), (30, 4110952), (40, 3083214), (48, 2569345), (60, 2055476), (80, 1541607), (120, 1027738), (240, 513869), (389, 317040), (778, 158520), (1167, 105680), (1321, 93360), (1556, 79260), (1945, 63408), (2334, 52840), (2642, 46680), (3112, 39630), (3890, 31704), (3963, 31120), (4668, 26420), (5284, 23340), (5835, 21136), (6224, 19815), (6605, 18672), (7780, 15852), (7926, 15560), (9336, 13210), (10568, 11670)]