28080195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 56920320

約数和(自身を除く): 28840125

約数列:

[1, 3, 5, 11, 13, 15, 19, 33, 39, 53, 55, 57, 65, 95, 143, 159, 165, 169, 195, 209, 247, 265, 285, 429, 507, 583, 627, 689, 715, 741, 795, 845, 1007, 1045, 1235, 1749, 1859, 2067, 2145, 2535, 2717, 2915, 3021, 3135, 3211, 3445, 3705, 5035, 5577, 7579, 8151, 8745, 8957, 9295, 9633, 10335, 11077, 13091, 13585, 15105, 16055, 22737, 26871, 27885, 33231, 35321, 37895, 39273, 40755, 44785, 48165, 55385, 65455, 98527, 105963, 113685, 134355, 144001, 166155, 170183, 176605, 196365, 295581, 432003, 492635, 510549, 529815, 720005, 850915, 1477905, 1872013, 2160015, 2552745, 5616039, 9360065, 28080195]

約数ペア:

[(1, 28080195), (3, 9360065), (5, 5616039), (11, 2552745), (13, 2160015), (15, 1872013), (19, 1477905), (33, 850915), (39, 720005), (53, 529815), (55, 510549), (57, 492635), (65, 432003), (95, 295581), (143, 196365), (159, 176605), (165, 170183), (169, 166155), (195, 144001), (209, 134355), (247, 113685), (265, 105963), (285, 98527), (429, 65455), (507, 55385), (583, 48165), (627, 44785), (689, 40755), (715, 39273), (741, 37895), (795, 35321), (845, 33231), (1007, 27885), (1045, 26871), (1235, 22737), (1749, 16055), (1859, 15105), (2067, 13585), (2145, 13091), (2535, 11077), (2717, 10335), (2915, 9633), (3021, 9295), (3135, 8957), (3211, 8745), (3445, 8151), (3705, 7579), (5035, 5577)]