813924720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{53831}}^1$

素因数の和:53860

約数の個数: 160

約数和(自身を含む): 3204080640

約数和(自身を除く): 2390155920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 53831, 107662, 161493, 215324, 269155, 322986, 376817, 430648, 484479, 538310, 645972, 753634, 807465, 861296, 968958, 1076620, 1130451, 1291944, 1453437, 1507268, 1614930, 1884085, 1937916, 2153240, 2260902, 2422395, 2583888, 2906874, 3014536, 3229860, 3391353, 3768170, 3875832, 4306480, 4521804, 4844790, 5652255, 5813748, 6029072, 6459720, 6782706, 7267185, 7536340, 7751664, 9043608, 9689580, 10174059, 11304510, 11627496, 12919440, 13565412, 14534370, 15072680, 16956765, 18087216, 19379160, 20348118, 22609020, 23254992, 27130824, 29068740, 30145360, 33913530, 38758320, 40696236, 45218040, 50870295, 54261648, 58137480, 67827060, 81392472, 90436080, 101740590, 116274960, 135654120, 162784944, 203481180, 271308240, 406962360, 813924720]

約数ペア:

[(1, 813924720), (2, 406962360), (3, 271308240), (4, 203481180), (5, 162784944), (6, 135654120), (7, 116274960), (8, 101740590), (9, 90436080), (10, 81392472), (12, 67827060), (14, 58137480), (15, 54261648), (16, 50870295), (18, 45218040), (20, 40696236), (21, 38758320), (24, 33913530), (27, 30145360), (28, 29068740), (30, 27130824), (35, 23254992), (36, 22609020), (40, 20348118), (42, 19379160), (45, 18087216), (48, 16956765), (54, 15072680), (56, 14534370), (60, 13565412), (63, 12919440), (70, 11627496), (72, 11304510), (80, 10174059), (84, 9689580), (90, 9043608), (105, 7751664), (108, 7536340), (112, 7267185), (120, 6782706), (126, 6459720), (135, 6029072), (140, 5813748), (144, 5652255), (168, 4844790), (180, 4521804), (189, 4306480), (210, 3875832), (216, 3768170), (240, 3391353), (252, 3229860), (270, 3014536), (280, 2906874), (315, 2583888), (336, 2422395), (360, 2260902), (378, 2153240), (420, 1937916), (432, 1884085), (504, 1614930), (540, 1507268), (560, 1453437), (630, 1291944), (720, 1130451), (756, 1076620), (840, 968958), (945, 861296), (1008, 807465), (1080, 753634), (1260, 645972), (1512, 538310), (1680, 484479), (1890, 430648), (2160, 376817), (2520, 322986), (3024, 269155), (3780, 215324), (5040, 161493), (7560, 107662), (15120, 53831)]