28182840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{4793}}^1$

素因数の和:4821

約数の個数: 96

約数和(自身を含む): 98372880

約数和(自身を除く): 70190040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 4793, 5880, 9586, 14379, 19172, 23965, 28758, 33551, 38344, 47930, 57516, 67102, 71895, 95860, 100653, 115032, 134204, 143790, 167755, 191720, 201306, 234857, 268408, 287580, 335510, 402612, 469714, 503265, 575160, 671020, 704571, 805224, 939428, 1006530, 1174285, 1342040, 1409142, 1878856, 2013060, 2348570, 2818284, 3522855, 4026120, 4697140, 5636568, 7045710, 9394280, 14091420, 28182840]

約数ペア:

[(1, 28182840), (2, 14091420), (3, 9394280), (4, 7045710), (5, 5636568), (6, 4697140), (7, 4026120), (8, 3522855), (10, 2818284), (12, 2348570), (14, 2013060), (15, 1878856), (20, 1409142), (21, 1342040), (24, 1174285), (28, 1006530), (30, 939428), (35, 805224), (40, 704571), (42, 671020), (49, 575160), (56, 503265), (60, 469714), (70, 402612), (84, 335510), (98, 287580), (105, 268408), (120, 234857), (140, 201306), (147, 191720), (168, 167755), (196, 143790), (210, 134204), (245, 115032), (280, 100653), (294, 95860), (392, 71895), (420, 67102), (490, 57516), (588, 47930), (735, 38344), (840, 33551), (980, 28758), (1176, 23965), (1470, 19172), (1960, 14379), (2940, 9586), (4793, 5880)]