156516640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139747}}^1$

素因数の和:139769

約数の個数: 48

約数和(自身を含む): 422597952

約数和(自身を除く): 266081312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 139747, 279494, 558988, 698735, 978229, 1117976, 1397470, 1956458, 2235952, 2794940, 3912916, 4471904, 4891145, 5589880, 7825832, 9782290, 11179760, 15651664, 19564580, 22359520, 31303328, 39129160, 78258320, 156516640]

約数ペア:

[(1, 156516640), (2, 78258320), (4, 39129160), (5, 31303328), (7, 22359520), (8, 19564580), (10, 15651664), (14, 11179760), (16, 9782290), (20, 7825832), (28, 5589880), (32, 4891145), (35, 4471904), (40, 3912916), (56, 2794940), (70, 2235952), (80, 1956458), (112, 1397470), (140, 1117976), (160, 978229), (224, 698735), (280, 558988), (560, 279494), (1120, 139747)]