159194920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 404352000

約数和(自身を除く): 245157080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 31, 38, 40, 58, 62, 76, 95, 116, 124, 145, 152, 155, 190, 232, 233, 248, 290, 310, 380, 466, 551, 580, 589, 620, 760, 899, 932, 1102, 1160, 1165, 1178, 1240, 1798, 1864, 2204, 2330, 2356, 2755, 2945, 3596, 4408, 4427, 4495, 4660, 4712, 5510, 5890, 6757, 7192, 7223, 8854, 8990, 9320, 11020, 11780, 13514, 14446, 17081, 17708, 17980, 22040, 22135, 23560, 27028, 28892, 33785, 34162, 35416, 35960, 36115, 44270, 54056, 57784, 67570, 68324, 72230, 85405, 88540, 128383, 135140, 136648, 137237, 144460, 170810, 177080, 209467, 256766, 270280, 274474, 288920, 341620, 418934, 513532, 548948, 641915, 683240, 686185, 837868, 1027064, 1047335, 1097896, 1283830, 1372370, 1675736, 2094670, 2567660, 2744740, 3979873, 4189340, 5135320, 5489480, 7959746, 8378680, 15919492, 19899365, 31838984, 39798730, 79597460, 159194920]

約数ペア:

[(1, 159194920), (2, 79597460), (4, 39798730), (5, 31838984), (8, 19899365), (10, 15919492), (19, 8378680), (20, 7959746), (29, 5489480), (31, 5135320), (38, 4189340), (40, 3979873), (58, 2744740), (62, 2567660), (76, 2094670), (95, 1675736), (116, 1372370), (124, 1283830), (145, 1097896), (152, 1047335), (155, 1027064), (190, 837868), (232, 686185), (233, 683240), (248, 641915), (290, 548948), (310, 513532), (380, 418934), (466, 341620), (551, 288920), (580, 274474), (589, 270280), (620, 256766), (760, 209467), (899, 177080), (932, 170810), (1102, 144460), (1160, 137237), (1165, 136648), (1178, 135140), (1240, 128383), (1798, 88540), (1864, 85405), (2204, 72230), (2330, 68324), (2356, 67570), (2755, 57784), (2945, 54056), (3596, 44270), (4408, 36115), (4427, 35960), (4495, 35416), (4660, 34162), (4712, 33785), (5510, 28892), (5890, 27028), (6757, 23560), (7192, 22135), (7223, 22040), (8854, 17980), (8990, 17708), (9320, 17081), (11020, 14446), (11780, 13514)]