19081680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^3$

素因数の和:145

約数の個数: 80

約数和(自身を含む): 60561600

約数和(自身を除く): 41479920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1849, 2064, 2580, 3440, 3698, 5160, 5547, 7396, 9245, 10320, 11094, 14792, 18490, 22188, 27735, 29584, 36980, 44376, 55470, 73960, 79507, 88752, 110940, 147920, 159014, 221880, 238521, 318028, 397535, 443760, 477042, 636056, 795070, 954084, 1192605, 1272112, 1590140, 1908168, 2385210, 3180280, 3816336, 4770420, 6360560, 9540840, 19081680]

約数ペア:

[(1, 19081680), (2, 9540840), (3, 6360560), (4, 4770420), (5, 3816336), (6, 3180280), (8, 2385210), (10, 1908168), (12, 1590140), (15, 1272112), (16, 1192605), (20, 954084), (24, 795070), (30, 636056), (40, 477042), (43, 443760), (48, 397535), (60, 318028), (80, 238521), (86, 221880), (120, 159014), (129, 147920), (172, 110940), (215, 88752), (240, 79507), (258, 73960), (344, 55470), (430, 44376), (516, 36980), (645, 29584), (688, 27735), (860, 22188), (1032, 18490), (1290, 14792), (1720, 11094), (1849, 10320), (2064, 9245), (2580, 7396), (3440, 5547), (3698, 5160)]