165847860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 518918400

約数和(自身を除く): 353070540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 107, 109, 158, 180, 214, 218, 237, 316, 321, 327, 395, 428, 436, 474, 535, 545, 642, 654, 711, 790, 948, 963, 981, 1070, 1090, 1185, 1284, 1308, 1422, 1580, 1605, 1635, 1926, 1962, 2140, 2180, 2370, 2844, 3210, 3270, 3555, 3852, 3924, 4740, 4815, 4905, 6420, 6540, 7110, 8453, 8611, 9630, 9810, 11663, 14220, 16906, 17222, 19260, 19620, 23326, 25359, 25833, 33812, 34444, 34989, 42265, 43055, 46652, 50718, 51666, 58315, 69978, 76077, 77499, 84530, 86110, 101436, 103332, 104967, 116630, 126795, 129165, 139956, 152154, 154998, 169060, 172220, 174945, 209934, 233260, 253590, 258330, 304308, 309996, 349890, 380385, 387495, 419868, 507180, 516660, 524835, 699780, 760770, 774990, 921377, 1049670, 1521540, 1549980, 1842754, 2099340, 2764131, 3685508, 4606885, 5528262, 8292393, 9213770, 11056524, 13820655, 16584786, 18427540, 27641310, 33169572, 41461965, 55282620, 82923930, 165847860]

約数ペア:

[(1, 165847860), (2, 82923930), (3, 55282620), (4, 41461965), (5, 33169572), (6, 27641310), (9, 18427540), (10, 16584786), (12, 13820655), (15, 11056524), (18, 9213770), (20, 8292393), (30, 5528262), (36, 4606885), (45, 3685508), (60, 2764131), (79, 2099340), (90, 1842754), (107, 1549980), (109, 1521540), (158, 1049670), (180, 921377), (214, 774990), (218, 760770), (237, 699780), (316, 524835), (321, 516660), (327, 507180), (395, 419868), (428, 387495), (436, 380385), (474, 349890), (535, 309996), (545, 304308), (642, 258330), (654, 253590), (711, 233260), (790, 209934), (948, 174945), (963, 172220), (981, 169060), (1070, 154998), (1090, 152154), (1185, 139956), (1284, 129165), (1308, 126795), (1422, 116630), (1580, 104967), (1605, 103332), (1635, 101436), (1926, 86110), (1962, 84530), (2140, 77499), (2180, 76077), (2370, 69978), (2844, 58315), (3210, 51666), (3270, 50718), (3555, 46652), (3852, 43055), (3924, 42265), (4740, 34989), (4815, 34444), (4905, 33812), (6420, 25833), (6540, 25359), (7110, 23326), (8453, 19620), (8611, 19260), (9630, 17222), (9810, 16906), (11663, 14220)]