19536720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 160

約数和(自身を含む): 71781120

約数和(自身を除く): 52244400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 401, 406, 420, 435, 464, 560, 580, 609, 696, 802, 812, 840, 870, 1015, 1160, 1203, 1218, 1392, 1604, 1624, 1680, 1740, 2005, 2030, 2320, 2406, 2436, 2807, 3045, 3208, 3248, 3480, 4010, 4060, 4812, 4872, 5614, 6015, 6090, 6416, 6960, 8020, 8120, 8421, 9624, 9744, 11228, 11629, 12030, 12180, 14035, 16040, 16240, 16842, 19248, 22456, 23258, 24060, 24360, 28070, 32080, 33684, 34887, 42105, 44912, 46516, 48120, 48720, 56140, 58145, 67368, 69774, 81403, 84210, 93032, 96240, 112280, 116290, 134736, 139548, 162806, 168420, 174435, 186064, 224560, 232580, 244209, 279096, 325612, 336840, 348870, 407015, 465160, 488418, 558192, 651224, 673680, 697740, 814030, 930320, 976836, 1221045, 1302448, 1395480, 1628060, 1953672, 2442090, 2790960, 3256120, 3907344, 4884180, 6512240, 9768360, 19536720]

約数ペア:

[(1, 19536720), (2, 9768360), (3, 6512240), (4, 4884180), (5, 3907344), (6, 3256120), (7, 2790960), (8, 2442090), (10, 1953672), (12, 1628060), (14, 1395480), (15, 1302448), (16, 1221045), (20, 976836), (21, 930320), (24, 814030), (28, 697740), (29, 673680), (30, 651224), (35, 558192), (40, 488418), (42, 465160), (48, 407015), (56, 348870), (58, 336840), (60, 325612), (70, 279096), (80, 244209), (84, 232580), (87, 224560), (105, 186064), (112, 174435), (116, 168420), (120, 162806), (140, 139548), (145, 134736), (168, 116290), (174, 112280), (203, 96240), (210, 93032), (232, 84210), (240, 81403), (280, 69774), (290, 67368), (336, 58145), (348, 56140), (401, 48720), (406, 48120), (420, 46516), (435, 44912), (464, 42105), (560, 34887), (580, 33684), (609, 32080), (696, 28070), (802, 24360), (812, 24060), (840, 23258), (870, 22456), (1015, 19248), (1160, 16842), (1203, 16240), (1218, 16040), (1392, 14035), (1604, 12180), (1624, 12030), (1680, 11629), (1740, 11228), (2005, 9744), (2030, 9624), (2320, 8421), (2406, 8120), (2436, 8020), (2807, 6960), (3045, 6416), (3208, 6090), (3248, 6015), (3480, 5614), (4010, 4872), (4060, 4812)]