661123344

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{1601}}^1$

素因数の和:2848

約数の個数: 80

約数和(自身を含む): 1954696320

約数和(自身を除く): 1293572976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1229, 1601, 2458, 3202, 3687, 4803, 4916, 6404, 7374, 8603, 9606, 9832, 11207, 12808, 14748, 17206, 19212, 19664, 22414, 25616, 25809, 29496, 33621, 34412, 38424, 44828, 51618, 58992, 67242, 68824, 76848, 89656, 103236, 134484, 137648, 179312, 206472, 268968, 412944, 537936, 1967629, 3935258, 5902887, 7870516, 11805774, 13773403, 15741032, 23611548, 27546806, 31482064, 41320209, 47223096, 55093612, 82640418, 94446192, 110187224, 165280836, 220374448, 330561672, 661123344]

約数ペア:

[(1, 661123344), (2, 330561672), (3, 220374448), (4, 165280836), (6, 110187224), (7, 94446192), (8, 82640418), (12, 55093612), (14, 47223096), (16, 41320209), (21, 31482064), (24, 27546806), (28, 23611548), (42, 15741032), (48, 13773403), (56, 11805774), (84, 7870516), (112, 5902887), (168, 3935258), (336, 1967629), (1229, 537936), (1601, 412944), (2458, 268968), (3202, 206472), (3687, 179312), (4803, 137648), (4916, 134484), (6404, 103236), (7374, 89656), (8603, 76848), (9606, 68824), (9832, 67242), (11207, 58992), (12808, 51618), (14748, 44828), (17206, 38424), (19212, 34412), (19664, 33621), (22414, 29496), (25616, 25809)]