1640596545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{4373}}^1$

素因数の和:4791

約数の個数: 64

約数和(自身を含む): 3342435840

約数和(自身を除く): 1701839295

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 397, 945, 1191, 1985, 2779, 3573, 4373, 5955, 8337, 10719, 13119, 13895, 17865, 21865, 25011, 30611, 39357, 41685, 53595, 65595, 75033, 91833, 118071, 125055, 153055, 196785, 275499, 375165, 459165, 590355, 826497, 1377495, 1736081, 4132485, 5208243, 8680405, 12152567, 15624729, 26041215, 36457701, 46874187, 60762835, 78123645, 109373103, 182288505, 234370935, 328119309, 546865515, 1640596545]

約数ペア:

[(1, 1640596545), (3, 546865515), (5, 328119309), (7, 234370935), (9, 182288505), (15, 109373103), (21, 78123645), (27, 60762835), (35, 46874187), (45, 36457701), (63, 26041215), (105, 15624729), (135, 12152567), (189, 8680405), (315, 5208243), (397, 4132485), (945, 1736081), (1191, 1377495), (1985, 826497), (2779, 590355), (3573, 459165), (4373, 375165), (5955, 275499), (8337, 196785), (10719, 153055), (13119, 125055), (13895, 118071), (17865, 91833), (21865, 75033), (25011, 65595), (30611, 53595), (39357, 41685)]