164575740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{391847}}^1$

素因数の和:391866

約数の個数: 48

約数和(自身を含む): 526643712

約数和(自身を除く): 362067972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 391847, 783694, 1175541, 1567388, 1959235, 2351082, 2742929, 3918470, 4702164, 5485858, 5877705, 7836940, 8228787, 10971716, 11755410, 13714645, 16457574, 23510820, 27429290, 32915148, 41143935, 54858580, 82287870, 164575740]

約数ペア:

[(1, 164575740), (2, 82287870), (3, 54858580), (4, 41143935), (5, 32915148), (6, 27429290), (7, 23510820), (10, 16457574), (12, 13714645), (14, 11755410), (15, 10971716), (20, 8228787), (21, 7836940), (28, 5877705), (30, 5485858), (35, 4702164), (42, 3918470), (60, 2742929), (70, 2351082), (84, 1959235), (105, 1567388), (140, 1175541), (210, 783694), (420, 391847)]