20130743520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{8123}}^1$

素因数の和:9865

約数の個数: 144

約数和(自身を含む): 68744540592

約数和(自身を除く): 48613797072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1721, 3442, 5163, 6884, 8123, 8605, 10326, 13768, 15489, 16246, 17210, 20652, 24369, 25815, 27536, 30978, 32492, 34420, 40615, 41304, 48738, 51630, 55072, 61956, 64984, 68840, 73107, 77445, 81230, 82608, 97476, 103260, 121845, 123912, 129968, 137680, 146214, 154890, 162460, 165216, 194952, 206520, 243690, 247824, 259936, 275360, 292428, 309780, 324920, 365535, 389904, 413040, 487380, 495648, 584856, 619560, 649840, 731070, 779808, 826080, 974760, 1169712, 1239120, 1299680, 1462140, 1949520, 2339424, 2478240, 2924280, 3899040, 5848560, 11697120, 13979683, 27959366, 41939049, 55918732, 69898415, 83878098, 111837464, 125817147, 139796830, 167756196, 209695245, 223674928, 251634294, 279593660, 335512392, 419390490, 447349856, 503268588, 559187320, 629085735, 671024784, 838780980, 1006537176, 1118374640, 1258171470, 1342049568, 1677561960, 2013074352, 2236749280, 2516342940, 3355123920, 4026148704, 5032685880, 6710247840, 10065371760, 20130743520]

約数ペア:

[(1, 20130743520), (2, 10065371760), (3, 6710247840), (4, 5032685880), (5, 4026148704), (6, 3355123920), (8, 2516342940), (9, 2236749280), (10, 2013074352), (12, 1677561960), (15, 1342049568), (16, 1258171470), (18, 1118374640), (20, 1006537176), (24, 838780980), (30, 671024784), (32, 629085735), (36, 559187320), (40, 503268588), (45, 447349856), (48, 419390490), (60, 335512392), (72, 279593660), (80, 251634294), (90, 223674928), (96, 209695245), (120, 167756196), (144, 139796830), (160, 125817147), (180, 111837464), (240, 83878098), (288, 69898415), (360, 55918732), (480, 41939049), (720, 27959366), (1440, 13979683), (1721, 11697120), (3442, 5848560), (5163, 3899040), (6884, 2924280), (8123, 2478240), (8605, 2339424), (10326, 1949520), (13768, 1462140), (15489, 1299680), (16246, 1239120), (17210, 1169712), (20652, 974760), (24369, 826080), (25815, 779808), (27536, 731070), (30978, 649840), (32492, 619560), (34420, 584856), (40615, 495648), (41304, 487380), (48738, 413040), (51630, 389904), (55072, 365535), (61956, 324920), (64984, 309780), (68840, 292428), (73107, 275360), (77445, 259936), (81230, 247824), (82608, 243690), (97476, 206520), (103260, 194952), (121845, 165216), (123912, 162460), (129968, 154890), (137680, 146214)]