157964520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{491}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 544112640

約数和(自身を除く): 386148120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 383, 420, 491, 766, 840, 982, 1149, 1473, 1532, 1915, 1964, 2298, 2455, 2681, 2946, 3064, 3437, 3830, 3928, 4596, 4910, 5362, 5745, 5892, 6874, 7365, 7660, 8043, 9192, 9820, 10311, 10724, 11490, 11784, 13405, 13748, 14730, 15320, 16086, 17185, 19640, 20622, 21448, 22980, 26810, 27496, 29460, 32172, 34370, 40215, 41244, 45960, 51555, 53620, 58920, 64344, 68740, 80430, 82488, 103110, 107240, 137480, 160860, 188053, 206220, 321720, 376106, 412440, 564159, 752212, 940265, 1128318, 1316371, 1504424, 1880530, 2256636, 2632742, 2820795, 3761060, 3949113, 4513272, 5265484, 5641590, 6581855, 7522120, 7898226, 10530968, 11283180, 13163710, 15796452, 19745565, 22566360, 26327420, 31592904, 39491130, 52654840, 78982260, 157964520]

約数ペア:

[(1, 157964520), (2, 78982260), (3, 52654840), (4, 39491130), (5, 31592904), (6, 26327420), (7, 22566360), (8, 19745565), (10, 15796452), (12, 13163710), (14, 11283180), (15, 10530968), (20, 7898226), (21, 7522120), (24, 6581855), (28, 5641590), (30, 5265484), (35, 4513272), (40, 3949113), (42, 3761060), (56, 2820795), (60, 2632742), (70, 2256636), (84, 1880530), (105, 1504424), (120, 1316371), (140, 1128318), (168, 940265), (210, 752212), (280, 564159), (383, 412440), (420, 376106), (491, 321720), (766, 206220), (840, 188053), (982, 160860), (1149, 137480), (1473, 107240), (1532, 103110), (1915, 82488), (1964, 80430), (2298, 68740), (2455, 64344), (2681, 58920), (2946, 53620), (3064, 51555), (3437, 45960), (3830, 41244), (3928, 40215), (4596, 34370), (4910, 32172), (5362, 29460), (5745, 27496), (5892, 26810), (6874, 22980), (7365, 21448), (7660, 20622), (8043, 19640), (9192, 17185), (9820, 16086), (10311, 15320), (10724, 14730), (11490, 13748), (11784, 13405)]