72353680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2816

約数の個数: 80

約数和(自身を含む): 196416000

約数和(自身を除く): 124062320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 2749, 3290, 3760, 5264, 5498, 6580, 10996, 13160, 13745, 19243, 21992, 26320, 27490, 38486, 43984, 54980, 76972, 96215, 109960, 129203, 153944, 192430, 219920, 258406, 307888, 384860, 516812, 646015, 769720, 904421, 1033624, 1292030, 1539440, 1808842, 2067248, 2584060, 3617684, 4522105, 5168120, 7235368, 9044210, 10336240, 14470736, 18088420, 36176840, 72353680]

約数ペア:

[(1, 72353680), (2, 36176840), (4, 18088420), (5, 14470736), (7, 10336240), (8, 9044210), (10, 7235368), (14, 5168120), (16, 4522105), (20, 3617684), (28, 2584060), (35, 2067248), (40, 1808842), (47, 1539440), (56, 1292030), (70, 1033624), (80, 904421), (94, 769720), (112, 646015), (140, 516812), (188, 384860), (235, 307888), (280, 258406), (329, 219920), (376, 192430), (470, 153944), (560, 129203), (658, 109960), (752, 96215), (940, 76972), (1316, 54980), (1645, 43984), (1880, 38486), (2632, 27490), (2749, 26320), (3290, 21992), (3760, 19243), (5264, 13745), (5498, 13160), (6580, 10996)]