26781720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31883}}^1$

素因数の和:31904

約数の個数: 64

約数和(自身を含む): 91825920

約数和(自身を除く): 65044200

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, 31883, 63766, 95649, 127532, 159415, 191298, 223181, 255064, 318830, 382596, 446362, 478245, 637660, 669543, 765192, 892724, 956490, 1115905, 1275320, 1339086, 1785448, 1912980, 2231810, 2678172, 3347715, 3825960, 4463620, 5356344, 6695430, 8927240, 13390860, 26781720]

約数ペア:

[(1, 26781720), (2, 13390860), (3, 8927240), (4, 6695430), (5, 5356344), (6, 4463620), (7, 3825960), (8, 3347715), (10, 2678172), (12, 2231810), (14, 1912980), (15, 1785448), (20, 1339086), (21, 1275320), (24, 1115905), (28, 956490), (30, 892724), (35, 765192), (40, 669543), (42, 637660), (56, 478245), (60, 446362), (70, 382596), (84, 318830), (105, 255064), (120, 223181), (140, 191298), (168, 159415), (210, 127532), (280, 95649), (420, 63766), (840, 31883)]