89901540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 291083520

約数和(自身を除く): 201181980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 97, 114, 171, 180, 190, 194, 228, 271, 285, 291, 342, 380, 388, 485, 542, 570, 582, 684, 813, 855, 873, 970, 1084, 1140, 1164, 1355, 1455, 1626, 1710, 1746, 1843, 1940, 2439, 2710, 2910, 3252, 3420, 3492, 3686, 4065, 4365, 4878, 5149, 5420, 5529, 5820, 7372, 8130, 8730, 9215, 9756, 10298, 11058, 12195, 15447, 16260, 16587, 17460, 18430, 20596, 22116, 24390, 25745, 26287, 27645, 30894, 33174, 36860, 46341, 48780, 51490, 52574, 55290, 61788, 66348, 77235, 78861, 82935, 92682, 102980, 105148, 110580, 131435, 154470, 157722, 165870, 185364, 231705, 236583, 262870, 308940, 315444, 331740, 394305, 463410, 473166, 499453, 525740, 788610, 926820, 946332, 998906, 1182915, 1498359, 1577220, 1997812, 2365830, 2497265, 2996718, 4495077, 4731660, 4994530, 5993436, 7491795, 8990154, 9989060, 14983590, 17980308, 22475385, 29967180, 44950770, 89901540]

約数ペア:

[(1, 89901540), (2, 44950770), (3, 29967180), (4, 22475385), (5, 17980308), (6, 14983590), (9, 9989060), (10, 8990154), (12, 7491795), (15, 5993436), (18, 4994530), (19, 4731660), (20, 4495077), (30, 2996718), (36, 2497265), (38, 2365830), (45, 1997812), (57, 1577220), (60, 1498359), (76, 1182915), (90, 998906), (95, 946332), (97, 926820), (114, 788610), (171, 525740), (180, 499453), (190, 473166), (194, 463410), (228, 394305), (271, 331740), (285, 315444), (291, 308940), (342, 262870), (380, 236583), (388, 231705), (485, 185364), (542, 165870), (570, 157722), (582, 154470), (684, 131435), (813, 110580), (855, 105148), (873, 102980), (970, 92682), (1084, 82935), (1140, 78861), (1164, 77235), (1355, 66348), (1455, 61788), (1626, 55290), (1710, 52574), (1746, 51490), (1843, 48780), (1940, 46341), (2439, 36860), (2710, 33174), (2910, 30894), (3252, 27645), (3420, 26287), (3492, 25745), (3686, 24390), (4065, 22116), (4365, 20596), (4878, 18430), (5149, 17460), (5420, 16587), (5529, 16260), (5820, 15447), (7372, 12195), (8130, 11058), (8730, 10298), (9215, 9756)]