157821720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{187883}}^1$

素因数の和:187904

約数の個数: 64

約数和(自身を含む): 541105920

約数和(自身を除く): 383284200

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, 420, 840, 187883, 375766, 563649, 751532, 939415, 1127298, 1315181, 1503064, 1878830, 2254596, 2630362, 2818245, 3757660, 3945543, 4509192, 5260724, 5636490, 6575905, 7515320, 7891086, 10521448, 11272980, 13151810, 15782172, 19727715, 22545960, 26303620, 31564344, 39455430, 52607240, 78910860, 157821720]

約数ペア:

[(1, 157821720), (2, 78910860), (3, 52607240), (4, 39455430), (5, 31564344), (6, 26303620), (7, 22545960), (8, 19727715), (10, 15782172), (12, 13151810), (14, 11272980), (15, 10521448), (20, 7891086), (21, 7515320), (24, 6575905), (28, 5636490), (30, 5260724), (35, 4509192), (40, 3945543), (42, 3757660), (56, 2818245), (60, 2630362), (70, 2254596), (84, 1878830), (105, 1503064), (120, 1315181), (140, 1127298), (168, 939415), (210, 751532), (280, 563649), (420, 375766), (840, 187883)]