2788920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 9285120

約数和(自身を除く): 6496200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 127, 180, 183, 244, 254, 305, 360, 366, 381, 488, 508, 549, 610, 635, 732, 762, 915, 1016, 1098, 1143, 1220, 1270, 1464, 1524, 1830, 1905, 2196, 2286, 2440, 2540, 2745, 3048, 3660, 3810, 4392, 4572, 5080, 5490, 5715, 7320, 7620, 7747, 9144, 10980, 11430, 15240, 15494, 21960, 22860, 23241, 30988, 38735, 45720, 46482, 61976, 69723, 77470, 92964, 116205, 139446, 154940, 185928, 232410, 278892, 309880, 348615, 464820, 557784, 697230, 929640, 1394460, 2788920]

約数ペア:

[(1, 2788920), (2, 1394460), (3, 929640), (4, 697230), (5, 557784), (6, 464820), (8, 348615), (9, 309880), (10, 278892), (12, 232410), (15, 185928), (18, 154940), (20, 139446), (24, 116205), (30, 92964), (36, 77470), (40, 69723), (45, 61976), (60, 46482), (61, 45720), (72, 38735), (90, 30988), (120, 23241), (122, 22860), (127, 21960), (180, 15494), (183, 15240), (244, 11430), (254, 10980), (305, 9144), (360, 7747), (366, 7620), (381, 7320), (488, 5715), (508, 5490), (549, 5080), (610, 4572), (635, 4392), (732, 3810), (762, 3660), (915, 3048), (1016, 2745), (1098, 2540), (1143, 2440), (1220, 2286), (1270, 2196), (1464, 1905), (1524, 1830)]