231158940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 707333760

約数和(自身を除く): 476174820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 211, 228, 285, 310, 372, 380, 422, 465, 570, 589, 620, 633, 844, 930, 961, 1055, 1140, 1178, 1266, 1767, 1860, 1922, 2110, 2356, 2532, 2883, 2945, 3165, 3534, 3844, 4009, 4220, 4805, 5766, 5890, 6330, 6541, 7068, 8018, 8835, 9610, 11532, 11780, 12027, 12660, 13082, 14415, 16036, 17670, 18259, 19220, 19623, 20045, 24054, 26164, 28830, 32705, 35340, 36518, 39246, 40090, 48108, 54777, 57660, 60135, 65410, 73036, 78492, 80180, 91295, 98115, 109554, 120270, 124279, 130820, 182590, 196230, 202771, 219108, 240540, 248558, 273885, 365180, 372837, 392460, 405542, 497116, 547770, 608313, 621395, 745674, 811084, 1013855, 1095540, 1216626, 1242790, 1491348, 1864185, 2027710, 2433252, 2485580, 3041565, 3728370, 3852649, 4055420, 6083130, 7456740, 7705298, 11557947, 12166260, 15410596, 19263245, 23115894, 38526490, 46231788, 57789735, 77052980, 115579470, 231158940]

約数ペア:

[(1, 231158940), (2, 115579470), (3, 77052980), (4, 57789735), (5, 46231788), (6, 38526490), (10, 23115894), (12, 19263245), (15, 15410596), (19, 12166260), (20, 11557947), (30, 7705298), (31, 7456740), (38, 6083130), (57, 4055420), (60, 3852649), (62, 3728370), (76, 3041565), (93, 2485580), (95, 2433252), (114, 2027710), (124, 1864185), (155, 1491348), (186, 1242790), (190, 1216626), (211, 1095540), (228, 1013855), (285, 811084), (310, 745674), (372, 621395), (380, 608313), (422, 547770), (465, 497116), (570, 405542), (589, 392460), (620, 372837), (633, 365180), (844, 273885), (930, 248558), (961, 240540), (1055, 219108), (1140, 202771), (1178, 196230), (1266, 182590), (1767, 130820), (1860, 124279), (1922, 120270), (2110, 109554), (2356, 98115), (2532, 91295), (2883, 80180), (2945, 78492), (3165, 73036), (3534, 65410), (3844, 60135), (4009, 57660), (4220, 54777), (4805, 48108), (5766, 40090), (5890, 39246), (6330, 36518), (6541, 35340), (7068, 32705), (8018, 28830), (8835, 26164), (9610, 24054), (11532, 20045), (11780, 19623), (12027, 19220), (12660, 18259), (13082, 17670), (14415, 16036)]