161685720

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{7129}}^1$

素因数の和:7159

約数の個数: 160

約数和(自身を含む): 621165600

約数和(自身を除く): 459479880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7129, 7560, 11340, 14258, 21387, 22680, 28516, 35645, 42774, 49903, 57032, 64161, 71290, 85548, 99806, 106935, 128322, 142580, 149709, 171096, 192483, 199612, 213870, 249515, 256644, 285160, 299418, 320805, 384966, 399224, 427740, 449127, 499030, 513288, 577449, 598836, 641610, 748545, 769932, 855480, 898254, 962415, 998060, 1154898, 1197672, 1283220, 1347381, 1497090, 1539864, 1796508, 1924830, 1996120, 2245635, 2309796, 2566440, 2694762, 2887245, 2994180, 3593016, 3849660, 4042143, 4491270, 4619592, 5389524, 5774490, 5988360, 6736905, 7699320, 8084286, 8982540, 10779048, 11548980, 13473810, 16168572, 17965080, 20210715, 23097960, 26947620, 32337144, 40421430, 53895240, 80842860, 161685720]

約数ペア:

[(1, 161685720), (2, 80842860), (3, 53895240), (4, 40421430), (5, 32337144), (6, 26947620), (7, 23097960), (8, 20210715), (9, 17965080), (10, 16168572), (12, 13473810), (14, 11548980), (15, 10779048), (18, 8982540), (20, 8084286), (21, 7699320), (24, 6736905), (27, 5988360), (28, 5774490), (30, 5389524), (35, 4619592), (36, 4491270), (40, 4042143), (42, 3849660), (45, 3593016), (54, 2994180), (56, 2887245), (60, 2694762), (63, 2566440), (70, 2309796), (72, 2245635), (81, 1996120), (84, 1924830), (90, 1796508), (105, 1539864), (108, 1497090), (120, 1347381), (126, 1283220), (135, 1197672), (140, 1154898), (162, 998060), (168, 962415), (180, 898254), (189, 855480), (210, 769932), (216, 748545), (252, 641610), (270, 598836), (280, 577449), (315, 513288), (324, 499030), (360, 449127), (378, 427740), (405, 399224), (420, 384966), (504, 320805), (540, 299418), (567, 285160), (630, 256644), (648, 249515), (756, 213870), (810, 199612), (840, 192483), (945, 171096), (1080, 149709), (1134, 142580), (1260, 128322), (1512, 106935), (1620, 99806), (1890, 85548), (2268, 71290), (2520, 64161), (2835, 57032), (3240, 49903), (3780, 42774), (4536, 35645), (5670, 28516), (7129, 22680), (7560, 21387), (11340, 14258)]