280395360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{27817}}^1$

素因数の和:27845

約数の個数: 144

約数和(自身を含む): 1093581216

約数和(自身を除く): 813185856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 27817, 55634, 83451, 111268, 139085, 166902, 194719, 222536, 250353, 278170, 333804, 389438, 417255, 445072, 500706, 556340, 584157, 667608, 778876, 834510, 890144, 973595, 1001412, 1112680, 1168314, 1251765, 1335216, 1557752, 1669020, 1752471, 1947190, 2002824, 2225360, 2336628, 2503530, 2670432, 2920785, 3115504, 3338040, 3504942, 3894380, 4005648, 4450720, 4673256, 5007060, 5841570, 6231008, 6676080, 7009884, 7788760, 8011296, 8762355, 9346512, 10014120, 11683140, 13352160, 14019768, 15577520, 17524710, 18693024, 20028240, 23366280, 28039536, 31155040, 35049420, 40056480, 46732560, 56079072, 70098840, 93465120, 140197680, 280395360]

約数ペア:

[(1, 280395360), (2, 140197680), (3, 93465120), (4, 70098840), (5, 56079072), (6, 46732560), (7, 40056480), (8, 35049420), (9, 31155040), (10, 28039536), (12, 23366280), (14, 20028240), (15, 18693024), (16, 17524710), (18, 15577520), (20, 14019768), (21, 13352160), (24, 11683140), (28, 10014120), (30, 9346512), (32, 8762355), (35, 8011296), (36, 7788760), (40, 7009884), (42, 6676080), (45, 6231008), (48, 5841570), (56, 5007060), (60, 4673256), (63, 4450720), (70, 4005648), (72, 3894380), (80, 3504942), (84, 3338040), (90, 3115504), (96, 2920785), (105, 2670432), (112, 2503530), (120, 2336628), (126, 2225360), (140, 2002824), (144, 1947190), (160, 1752471), (168, 1669020), (180, 1557752), (210, 1335216), (224, 1251765), (240, 1168314), (252, 1112680), (280, 1001412), (288, 973595), (315, 890144), (336, 834510), (360, 778876), (420, 667608), (480, 584157), (504, 556340), (560, 500706), (630, 445072), (672, 417255), (720, 389438), (840, 333804), (1008, 278170), (1120, 250353), (1260, 222536), (1440, 194719), (1680, 166902), (2016, 139085), (2520, 111268), (3360, 83451), (5040, 55634), (10080, 27817)]