28183280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 74004192

約数和(自身を除く): 45820912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 53, 68, 80, 85, 92, 106, 115, 136, 170, 184, 212, 230, 265, 272, 289, 340, 368, 391, 424, 460, 530, 578, 680, 782, 848, 901, 920, 1060, 1156, 1219, 1360, 1445, 1564, 1802, 1840, 1955, 2120, 2312, 2438, 2890, 3128, 3604, 3910, 4240, 4505, 4624, 4876, 5780, 6095, 6256, 6647, 7208, 7820, 9010, 9752, 11560, 12190, 13294, 14416, 15317, 15640, 18020, 19504, 20723, 23120, 24380, 26588, 30634, 31280, 33235, 36040, 41446, 48760, 53176, 61268, 66470, 72080, 76585, 82892, 97520, 103615, 106352, 122536, 132940, 153170, 165784, 207230, 245072, 265880, 306340, 331568, 352291, 414460, 531760, 612680, 704582, 828920, 1225360, 1409164, 1657840, 1761455, 2818328, 3522910, 5636656, 7045820, 14091640, 28183280]

約数ペア:

[(1, 28183280), (2, 14091640), (4, 7045820), (5, 5636656), (8, 3522910), (10, 2818328), (16, 1761455), (17, 1657840), (20, 1409164), (23, 1225360), (34, 828920), (40, 704582), (46, 612680), (53, 531760), (68, 414460), (80, 352291), (85, 331568), (92, 306340), (106, 265880), (115, 245072), (136, 207230), (170, 165784), (184, 153170), (212, 132940), (230, 122536), (265, 106352), (272, 103615), (289, 97520), (340, 82892), (368, 76585), (391, 72080), (424, 66470), (460, 61268), (530, 53176), (578, 48760), (680, 41446), (782, 36040), (848, 33235), (901, 31280), (920, 30634), (1060, 26588), (1156, 24380), (1219, 23120), (1360, 20723), (1445, 19504), (1564, 18020), (1802, 15640), (1840, 15317), (1955, 14416), (2120, 13294), (2312, 12190), (2438, 11560), (2890, 9752), (3128, 9010), (3604, 7820), (3910, 7208), (4240, 6647), (4505, 6256), (4624, 6095), (4876, 5780)]