18280920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3109}}^1$

素因数の和:3137

約数の個数: 96

約数和(自身を含む): 63817200

約数和(自身を除く): 45536280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3109, 5880, 6218, 9327, 12436, 15545, 18654, 21763, 24872, 31090, 37308, 43526, 46635, 62180, 65289, 74616, 87052, 93270, 108815, 124360, 130578, 152341, 174104, 186540, 217630, 261156, 304682, 326445, 373080, 435260, 457023, 522312, 609364, 652890, 761705, 870520, 914046, 1218728, 1305780, 1523410, 1828092, 2285115, 2611560, 3046820, 3656184, 4570230, 6093640, 9140460, 18280920]

約数ペア:

[(1, 18280920), (2, 9140460), (3, 6093640), (4, 4570230), (5, 3656184), (6, 3046820), (7, 2611560), (8, 2285115), (10, 1828092), (12, 1523410), (14, 1305780), (15, 1218728), (20, 914046), (21, 870520), (24, 761705), (28, 652890), (30, 609364), (35, 522312), (40, 457023), (42, 435260), (49, 373080), (56, 326445), (60, 304682), (70, 261156), (84, 217630), (98, 186540), (105, 174104), (120, 152341), (140, 130578), (147, 124360), (168, 108815), (196, 93270), (210, 87052), (245, 74616), (280, 65289), (294, 62180), (392, 46635), (420, 43526), (490, 37308), (588, 31090), (735, 24872), (840, 21763), (980, 18654), (1176, 15545), (1470, 12436), (1960, 9327), (2940, 6218), (3109, 5880)]