220362780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 686407680

約数和(自身を除く): 466044900

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 127, 132, 165, 220, 239, 242, 254, 330, 363, 381, 478, 484, 508, 605, 635, 660, 717, 726, 762, 956, 1195, 1210, 1270, 1397, 1434, 1452, 1524, 1815, 1905, 2390, 2420, 2540, 2629, 2794, 2868, 3585, 3630, 3810, 4191, 4780, 5258, 5588, 6985, 7170, 7260, 7620, 7887, 8382, 10516, 13145, 13970, 14340, 15367, 15774, 16764, 20955, 26290, 27940, 28919, 30353, 30734, 31548, 39435, 41910, 46101, 52580, 57838, 60706, 61468, 76835, 78870, 83820, 86757, 91059, 92202, 115676, 121412, 144595, 151765, 153670, 157740, 173514, 182118, 184404, 230505, 289190, 303530, 307340, 333883, 347028, 364236, 433785, 455295, 461010, 578380, 607060, 667766, 867570, 910590, 922020, 1001649, 1335532, 1669415, 1735140, 1821180, 2003298, 3338830, 3672713, 4006596, 5008245, 6677660, 7345426, 10016490, 11018139, 14690852, 18363565, 20032980, 22036278, 36727130, 44072556, 55090695, 73454260, 110181390, 220362780]

約数ペア:

[(1, 220362780), (2, 110181390), (3, 73454260), (4, 55090695), (5, 44072556), (6, 36727130), (10, 22036278), (11, 20032980), (12, 18363565), (15, 14690852), (20, 11018139), (22, 10016490), (30, 7345426), (33, 6677660), (44, 5008245), (55, 4006596), (60, 3672713), (66, 3338830), (110, 2003298), (121, 1821180), (127, 1735140), (132, 1669415), (165, 1335532), (220, 1001649), (239, 922020), (242, 910590), (254, 867570), (330, 667766), (363, 607060), (381, 578380), (478, 461010), (484, 455295), (508, 433785), (605, 364236), (635, 347028), (660, 333883), (717, 307340), (726, 303530), (762, 289190), (956, 230505), (1195, 184404), (1210, 182118), (1270, 173514), (1397, 157740), (1434, 153670), (1452, 151765), (1524, 144595), (1815, 121412), (1905, 115676), (2390, 92202), (2420, 91059), (2540, 86757), (2629, 83820), (2794, 78870), (2868, 76835), (3585, 61468), (3630, 60706), (3810, 57838), (4191, 52580), (4780, 46101), (5258, 41910), (5588, 39435), (6985, 31548), (7170, 30734), (7260, 30353), (7620, 28919), (7887, 27940), (8382, 26290), (10516, 20955), (13145, 16764), (13970, 15774), (14340, 15367)]