17808420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 39849180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 389, 420, 436, 545, 654, 763, 778, 1090, 1167, 1308, 1526, 1556, 1635, 1945, 2180, 2289, 2334, 2723, 3052, 3270, 3815, 3890, 4578, 4668, 5446, 5835, 6540, 7630, 7780, 8169, 9156, 10892, 11445, 11670, 13615, 15260, 16338, 22890, 23340, 27230, 32676, 40845, 42401, 45780, 54460, 81690, 84802, 127203, 163380, 169604, 212005, 254406, 296807, 424010, 508812, 593614, 636015, 848020, 890421, 1187228, 1272030, 1484035, 1780842, 2544060, 2968070, 3561684, 4452105, 5936140, 8904210, 17808420]

約数ペア:

[(1, 17808420), (2, 8904210), (3, 5936140), (4, 4452105), (5, 3561684), (6, 2968070), (7, 2544060), (10, 1780842), (12, 1484035), (14, 1272030), (15, 1187228), (20, 890421), (21, 848020), (28, 636015), (30, 593614), (35, 508812), (42, 424010), (60, 296807), (70, 254406), (84, 212005), (105, 169604), (109, 163380), (140, 127203), (210, 84802), (218, 81690), (327, 54460), (389, 45780), (420, 42401), (436, 40845), (545, 32676), (654, 27230), (763, 23340), (778, 22890), (1090, 16338), (1167, 15260), (1308, 13615), (1526, 11670), (1556, 11445), (1635, 10892), (1945, 9156), (2180, 8169), (2289, 7780), (2334, 7630), (2723, 6540), (3052, 5835), (3270, 5446), (3815, 4668), (3890, 4578)]