28186680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 91990080

約数和(自身を除く): 63803400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 337, 340, 408, 410, 492, 510, 615, 674, 680, 697, 820, 984, 1011, 1020, 1230, 1348, 1394, 1640, 1685, 2022, 2040, 2091, 2460, 2696, 2788, 3370, 3485, 4044, 4182, 4920, 5055, 5576, 5729, 6740, 6970, 8088, 8364, 10110, 10455, 11458, 13480, 13817, 13940, 16728, 17187, 20220, 20910, 22916, 27634, 27880, 28645, 34374, 40440, 41451, 41820, 45832, 55268, 57290, 68748, 69085, 82902, 83640, 85935, 110536, 114580, 137496, 138170, 165804, 171870, 207255, 229160, 234889, 276340, 331608, 343740, 414510, 469778, 552680, 687480, 704667, 829020, 939556, 1174445, 1409334, 1658040, 1879112, 2348890, 2818668, 3523335, 4697780, 5637336, 7046670, 9395560, 14093340, 28186680]

約数ペア:

[(1, 28186680), (2, 14093340), (3, 9395560), (4, 7046670), (5, 5637336), (6, 4697780), (8, 3523335), (10, 2818668), (12, 2348890), (15, 1879112), (17, 1658040), (20, 1409334), (24, 1174445), (30, 939556), (34, 829020), (40, 704667), (41, 687480), (51, 552680), (60, 469778), (68, 414510), (82, 343740), (85, 331608), (102, 276340), (120, 234889), (123, 229160), (136, 207255), (164, 171870), (170, 165804), (204, 138170), (205, 137496), (246, 114580), (255, 110536), (328, 85935), (337, 83640), (340, 82902), (408, 69085), (410, 68748), (492, 57290), (510, 55268), (615, 45832), (674, 41820), (680, 41451), (697, 40440), (820, 34374), (984, 28645), (1011, 27880), (1020, 27634), (1230, 22916), (1348, 20910), (1394, 20220), (1640, 17187), (1685, 16728), (2022, 13940), (2040, 13817), (2091, 13480), (2460, 11458), (2696, 10455), (2788, 10110), (3370, 8364), (3485, 8088), (4044, 6970), (4182, 6740), (4920, 5729), (5055, 5576)]