19748880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 69995520

約数和(自身を除く): 50246640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 82, 90, 108, 120, 123, 135, 144, 164, 180, 205, 216, 223, 240, 246, 270, 328, 360, 369, 410, 432, 446, 492, 540, 615, 656, 669, 720, 738, 820, 892, 984, 1080, 1107, 1115, 1230, 1338, 1476, 1640, 1784, 1845, 1968, 2007, 2160, 2214, 2230, 2460, 2676, 2952, 3280, 3345, 3568, 3690, 4014, 4428, 4460, 4920, 5352, 5535, 5904, 6021, 6690, 7380, 8028, 8856, 8920, 9143, 9840, 10035, 10704, 11070, 12042, 13380, 14760, 16056, 17712, 17840, 18286, 20070, 22140, 24084, 26760, 27429, 29520, 30105, 32112, 36572, 40140, 44280, 45715, 48168, 53520, 54858, 60210, 73144, 80280, 82287, 88560, 91430, 96336, 109716, 120420, 137145, 146288, 160560, 164574, 182860, 219432, 240840, 246861, 274290, 329148, 365720, 411435, 438864, 481680, 493722, 548580, 658296, 731440, 822870, 987444, 1097160, 1234305, 1316592, 1645740, 1974888, 2194320, 2468610, 3291480, 3949776, 4937220, 6582960, 9874440, 19748880]

約数ペア:

[(1, 19748880), (2, 9874440), (3, 6582960), (4, 4937220), (5, 3949776), (6, 3291480), (8, 2468610), (9, 2194320), (10, 1974888), (12, 1645740), (15, 1316592), (16, 1234305), (18, 1097160), (20, 987444), (24, 822870), (27, 731440), (30, 658296), (36, 548580), (40, 493722), (41, 481680), (45, 438864), (48, 411435), (54, 365720), (60, 329148), (72, 274290), (80, 246861), (82, 240840), (90, 219432), (108, 182860), (120, 164574), (123, 160560), (135, 146288), (144, 137145), (164, 120420), (180, 109716), (205, 96336), (216, 91430), (223, 88560), (240, 82287), (246, 80280), (270, 73144), (328, 60210), (360, 54858), (369, 53520), (410, 48168), (432, 45715), (446, 44280), (492, 40140), (540, 36572), (615, 32112), (656, 30105), (669, 29520), (720, 27429), (738, 26760), (820, 24084), (892, 22140), (984, 20070), (1080, 18286), (1107, 17840), (1115, 17712), (1230, 16056), (1338, 14760), (1476, 13380), (1640, 12042), (1784, 11070), (1845, 10704), (1968, 10035), (2007, 9840), (2160, 9143), (2214, 8920), (2230, 8856), (2460, 8028), (2676, 7380), (2952, 6690), (3280, 6021), (3345, 5904), (3568, 5535), (3690, 5352), (4014, 4920), (4428, 4460)]