56181720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{66883}}^1$

素因数の和:66904

約数の個数: 64

約数和(自身を含む): 192625920

約数和(自身を除く): 136444200

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, 66883, 133766, 200649, 267532, 334415, 401298, 468181, 535064, 668830, 802596, 936362, 1003245, 1337660, 1404543, 1605192, 1872724, 2006490, 2340905, 2675320, 2809086, 3745448, 4012980, 4681810, 5618172, 7022715, 8025960, 9363620, 11236344, 14045430, 18727240, 28090860, 56181720]

約数ペア:

[(1, 56181720), (2, 28090860), (3, 18727240), (4, 14045430), (5, 11236344), (6, 9363620), (7, 8025960), (8, 7022715), (10, 5618172), (12, 4681810), (14, 4012980), (15, 3745448), (20, 2809086), (21, 2675320), (24, 2340905), (28, 2006490), (30, 1872724), (35, 1605192), (40, 1404543), (42, 1337660), (56, 1003245), (60, 936362), (70, 802596), (84, 668830), (105, 535064), (120, 468181), (140, 401298), (168, 334415), (210, 267532), (280, 200649), (420, 133766), (840, 66883)]