258974520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{308303}}^1$

素因数の和:308324

約数の個数: 64

約数和(自身を含む): 887915520

約数和(自身を除く): 628941000

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, 308303, 616606, 924909, 1233212, 1541515, 1849818, 2158121, 2466424, 3083030, 3699636, 4316242, 4624545, 6166060, 6474363, 7399272, 8632484, 9249090, 10790605, 12332120, 12948726, 17264968, 18498180, 21581210, 25897452, 32371815, 36996360, 43162420, 51794904, 64743630, 86324840, 129487260, 258974520]

約数ペア:

[(1, 258974520), (2, 129487260), (3, 86324840), (4, 64743630), (5, 51794904), (6, 43162420), (7, 36996360), (8, 32371815), (10, 25897452), (12, 21581210), (14, 18498180), (15, 17264968), (20, 12948726), (21, 12332120), (24, 10790605), (28, 9249090), (30, 8632484), (35, 7399272), (40, 6474363), (42, 6166060), (56, 4624545), (60, 4316242), (70, 3699636), (84, 3083030), (105, 2466424), (120, 2158121), (140, 1849818), (168, 1541515), (210, 1233212), (280, 924909), (420, 616606), (840, 308303)]