81750355260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{194643703}}^1$

素因数の和:194643722

約数の個数: 48

約数和(自身を含む): 261601138176

約数和(自身を除く): 179850782916

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, 194643703, 389287406, 583931109, 778574812, 973218515, 1167862218, 1362505921, 1946437030, 2335724436, 2725011842, 2919655545, 3892874060, 4087517763, 5450023684, 5839311090, 6812529605, 8175035526, 11678622180, 13625059210, 16350071052, 20437588815, 27250118420, 40875177630, 81750355260]

約数ペア:

[(1, 81750355260), (2, 40875177630), (3, 27250118420), (4, 20437588815), (5, 16350071052), (6, 13625059210), (7, 11678622180), (10, 8175035526), (12, 6812529605), (14, 5839311090), (15, 5450023684), (20, 4087517763), (21, 3892874060), (28, 2919655545), (30, 2725011842), (35, 2335724436), (42, 1946437030), (60, 1362505921), (70, 1167862218), (84, 973218515), (105, 778574812), (140, 583931109), (210, 389287406), (420, 194643703)]