207690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 64

約数和(自身を含む): 608256

約数和(自身を除く): 400566

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 43, 46, 69, 70, 86, 105, 115, 129, 138, 161, 210, 215, 230, 258, 301, 322, 345, 430, 483, 602, 645, 690, 805, 903, 966, 989, 1290, 1505, 1610, 1806, 1978, 2415, 2967, 3010, 4515, 4830, 4945, 5934, 6923, 9030, 9890, 13846, 14835, 20769, 29670, 34615, 41538, 69230, 103845, 207690]

約数ペア:

[(1, 207690), (2, 103845), (3, 69230), (5, 41538), (6, 34615), (7, 29670), (10, 20769), (14, 14835), (15, 13846), (21, 9890), (23, 9030), (30, 6923), (35, 5934), (42, 4945), (43, 4830), (46, 4515), (69, 3010), (70, 2967), (86, 2415), (105, 1978), (115, 1806), (129, 1610), (138, 1505), (161, 1290), (210, 989), (215, 966), (230, 903), (258, 805), (301, 690), (322, 645), (345, 602), (430, 483)]