15276880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 38568960

約数和(自身を除く): 23292080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 239, 272, 340, 376, 470, 478, 680, 752, 799, 940, 956, 1195, 1360, 1598, 1880, 1912, 2390, 3196, 3760, 3824, 3995, 4063, 4780, 6392, 7990, 8126, 9560, 11233, 12784, 15980, 16252, 19120, 20315, 22466, 31960, 32504, 40630, 44932, 56165, 63920, 65008, 81260, 89864, 112330, 162520, 179728, 190961, 224660, 325040, 381922, 449320, 763844, 898640, 954805, 1527688, 1909610, 3055376, 3819220, 7638440, 15276880]

約数ペア:

[(1, 15276880), (2, 7638440), (4, 3819220), (5, 3055376), (8, 1909610), (10, 1527688), (16, 954805), (17, 898640), (20, 763844), (34, 449320), (40, 381922), (47, 325040), (68, 224660), (80, 190961), (85, 179728), (94, 162520), (136, 112330), (170, 89864), (188, 81260), (235, 65008), (239, 63920), (272, 56165), (340, 44932), (376, 40630), (470, 32504), (478, 31960), (680, 22466), (752, 20315), (799, 19120), (940, 16252), (956, 15980), (1195, 12784), (1360, 11233), (1598, 9560), (1880, 8126), (1912, 7990), (2390, 6392), (3196, 4780), (3760, 4063), (3824, 3995)]