51145740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1907}}^1$

素因数の和:2071

約数の個数: 72

約数和(自身を含む): 156265200

約数和(自身を除く): 105119460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 1907, 2235, 2682, 2980, 3814, 4470, 5364, 5721, 6705, 7628, 8940, 9535, 11442, 13410, 17163, 19070, 22884, 26820, 28605, 34326, 38140, 57210, 68652, 85815, 114420, 171630, 284143, 343260, 568286, 852429, 1136572, 1420715, 1704858, 2557287, 2841430, 3409716, 4262145, 5114574, 5682860, 8524290, 10229148, 12786435, 17048580, 25572870, 51145740]

約数ペア:

[(1, 51145740), (2, 25572870), (3, 17048580), (4, 12786435), (5, 10229148), (6, 8524290), (9, 5682860), (10, 5114574), (12, 4262145), (15, 3409716), (18, 2841430), (20, 2557287), (30, 1704858), (36, 1420715), (45, 1136572), (60, 852429), (90, 568286), (149, 343260), (180, 284143), (298, 171630), (447, 114420), (596, 85815), (745, 68652), (894, 57210), (1341, 38140), (1490, 34326), (1788, 28605), (1907, 26820), (2235, 22884), (2682, 19070), (2980, 17163), (3814, 13410), (4470, 11442), (5364, 9535), (5721, 8940), (6705, 7628)]