26645640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31721}}^1$

素因数の和:31742

約数の個数: 64

約数和(自身を含む): 91359360

約数和(自身を除く): 64713720

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, 31721, 63442, 95163, 126884, 158605, 190326, 222047, 253768, 317210, 380652, 444094, 475815, 634420, 666141, 761304, 888188, 951630, 1110235, 1268840, 1332282, 1776376, 1903260, 2220470, 2664564, 3330705, 3806520, 4440940, 5329128, 6661410, 8881880, 13322820, 26645640]

約数ペア:

[(1, 26645640), (2, 13322820), (3, 8881880), (4, 6661410), (5, 5329128), (6, 4440940), (7, 3806520), (8, 3330705), (10, 2664564), (12, 2220470), (14, 1903260), (15, 1776376), (20, 1332282), (21, 1268840), (24, 1110235), (28, 951630), (30, 888188), (35, 761304), (40, 666141), (42, 634420), (56, 475815), (60, 444094), (70, 380652), (84, 317210), (105, 253768), (120, 222047), (140, 190326), (168, 158605), (210, 126884), (280, 95163), (420, 63442), (840, 31721)]