320040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 1198080

約数和(自身を除く): 878040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 127, 140, 168, 180, 210, 252, 254, 280, 315, 360, 381, 420, 504, 508, 630, 635, 762, 840, 889, 1016, 1143, 1260, 1270, 1524, 1778, 1905, 2286, 2520, 2540, 2667, 3048, 3556, 3810, 4445, 4572, 5080, 5334, 5715, 7112, 7620, 8001, 8890, 9144, 10668, 11430, 13335, 15240, 16002, 17780, 21336, 22860, 26670, 32004, 35560, 40005, 45720, 53340, 64008, 80010, 106680, 160020, 320040]

約数ペア:

[(1, 320040), (2, 160020), (3, 106680), (4, 80010), (5, 64008), (6, 53340), (7, 45720), (8, 40005), (9, 35560), (10, 32004), (12, 26670), (14, 22860), (15, 21336), (18, 17780), (20, 16002), (21, 15240), (24, 13335), (28, 11430), (30, 10668), (35, 9144), (36, 8890), (40, 8001), (42, 7620), (45, 7112), (56, 5715), (60, 5334), (63, 5080), (70, 4572), (72, 4445), (84, 3810), (90, 3556), (105, 3048), (120, 2667), (126, 2540), (127, 2520), (140, 2286), (168, 1905), (180, 1778), (210, 1524), (252, 1270), (254, 1260), (280, 1143), (315, 1016), (360, 889), (381, 840), (420, 762), (504, 635), (508, 630)]