81148650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 235109952

約数和(自身を除く): 153961302

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 25, 30, 33, 34, 50, 51, 55, 66, 75, 85, 102, 110, 121, 150, 165, 170, 187, 242, 255, 263, 275, 330, 363, 374, 425, 510, 526, 550, 561, 605, 726, 789, 825, 850, 935, 1122, 1210, 1275, 1315, 1578, 1650, 1815, 1870, 2057, 2550, 2630, 2805, 2893, 3025, 3630, 3945, 4114, 4471, 4675, 5610, 5786, 6050, 6171, 6575, 7890, 8679, 8942, 9075, 9350, 10285, 12342, 13150, 13413, 14025, 14465, 17358, 18150, 19725, 20570, 22355, 26826, 28050, 28930, 30855, 31823, 39450, 43395, 44710, 49181, 51425, 61710, 63646, 67065, 72325, 86790, 95469, 98362, 102850, 111775, 134130, 144650, 147543, 154275, 159115, 190938, 216975, 223550, 245905, 295086, 308550, 318230, 335325, 433950, 477345, 491810, 540991, 670650, 737715, 795575, 954690, 1081982, 1229525, 1475430, 1591150, 1622973, 2386725, 2459050, 2704955, 3245946, 3688575, 4773450, 5409910, 7377150, 8114865, 13524775, 16229730, 27049550, 40574325, 81148650]

約数ペア:

[(1, 81148650), (2, 40574325), (3, 27049550), (5, 16229730), (6, 13524775), (10, 8114865), (11, 7377150), (15, 5409910), (17, 4773450), (22, 3688575), (25, 3245946), (30, 2704955), (33, 2459050), (34, 2386725), (50, 1622973), (51, 1591150), (55, 1475430), (66, 1229525), (75, 1081982), (85, 954690), (102, 795575), (110, 737715), (121, 670650), (150, 540991), (165, 491810), (170, 477345), (187, 433950), (242, 335325), (255, 318230), (263, 308550), (275, 295086), (330, 245905), (363, 223550), (374, 216975), (425, 190938), (510, 159115), (526, 154275), (550, 147543), (561, 144650), (605, 134130), (726, 111775), (789, 102850), (825, 98362), (850, 95469), (935, 86790), (1122, 72325), (1210, 67065), (1275, 63646), (1315, 61710), (1578, 51425), (1650, 49181), (1815, 44710), (1870, 43395), (2057, 39450), (2550, 31823), (2630, 30855), (2805, 28930), (2893, 28050), (3025, 26826), (3630, 22355), (3945, 20570), (4114, 19725), (4471, 18150), (4675, 17358), (5610, 14465), (5786, 14025), (6050, 13413), (6171, 13150), (6575, 12342), (7890, 10285), (8679, 9350), (8942, 9075)]