263439990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1475

約数の個数: 144

約数和(自身を含む): 797719104

約数和(自身を除く): 534279114

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 121, 153, 165, 170, 187, 198, 242, 255, 306, 330, 363, 374, 495, 510, 561, 605, 726, 765, 935, 990, 1089, 1122, 1210, 1423, 1530, 1683, 1815, 1870, 2057, 2178, 2805, 2846, 3366, 3630, 4114, 4269, 5445, 5610, 6171, 7115, 8415, 8538, 10285, 10890, 12342, 12807, 14230, 15653, 16830, 18513, 20570, 21345, 24191, 25614, 30855, 31306, 37026, 42690, 46959, 48382, 61710, 64035, 72573, 78265, 92565, 93918, 120955, 128070, 140877, 145146, 156530, 172183, 185130, 217719, 234795, 241910, 266101, 281754, 344366, 362865, 435438, 469590, 516549, 532202, 704385, 725730, 798303, 860915, 1033098, 1088595, 1330505, 1408770, 1549647, 1596606, 1721830, 2177190, 2394909, 2582745, 2661010, 2927111, 3099294, 3991515, 4789818, 5165490, 5854222, 7748235, 7983030, 8781333, 11974545, 14635555, 15496470, 17562666, 23949090, 26343999, 29271110, 43906665, 52687998, 87813330, 131719995, 263439990]

約数ペア:

[(1, 263439990), (2, 131719995), (3, 87813330), (5, 52687998), (6, 43906665), (9, 29271110), (10, 26343999), (11, 23949090), (15, 17562666), (17, 15496470), (18, 14635555), (22, 11974545), (30, 8781333), (33, 7983030), (34, 7748235), (45, 5854222), (51, 5165490), (55, 4789818), (66, 3991515), (85, 3099294), (90, 2927111), (99, 2661010), (102, 2582745), (110, 2394909), (121, 2177190), (153, 1721830), (165, 1596606), (170, 1549647), (187, 1408770), (198, 1330505), (242, 1088595), (255, 1033098), (306, 860915), (330, 798303), (363, 725730), (374, 704385), (495, 532202), (510, 516549), (561, 469590), (605, 435438), (726, 362865), (765, 344366), (935, 281754), (990, 266101), (1089, 241910), (1122, 234795), (1210, 217719), (1423, 185130), (1530, 172183), (1683, 156530), (1815, 145146), (1870, 140877), (2057, 128070), (2178, 120955), (2805, 93918), (2846, 92565), (3366, 78265), (3630, 72573), (4114, 64035), (4269, 61710), (5445, 48382), (5610, 46959), (6171, 42690), (7115, 37026), (8415, 31306), (8538, 30855), (10285, 25614), (10890, 24191), (12342, 21345), (12807, 20570), (14230, 18513), (15653, 16830)]