309256020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{7129}}^1$

素因数の和:7385

約数の個数: 72

約数和(自身を含む): 942101160

約数和(自身を除く): 632845140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 2169, 2410, 2892, 3615, 4338, 4820, 7129, 7230, 8676, 10845, 14258, 14460, 21387, 21690, 28516, 35645, 42774, 43380, 64161, 71290, 85548, 106935, 128322, 142580, 213870, 256644, 320805, 427740, 641610, 1283220, 1718089, 3436178, 5154267, 6872356, 8590445, 10308534, 15462801, 17180890, 20617068, 25771335, 30925602, 34361780, 51542670, 61851204, 77314005, 103085340, 154628010, 309256020]

約数ペア:

[(1, 309256020), (2, 154628010), (3, 103085340), (4, 77314005), (5, 61851204), (6, 51542670), (9, 34361780), (10, 30925602), (12, 25771335), (15, 20617068), (18, 17180890), (20, 15462801), (30, 10308534), (36, 8590445), (45, 6872356), (60, 5154267), (90, 3436178), (180, 1718089), (241, 1283220), (482, 641610), (723, 427740), (964, 320805), (1205, 256644), (1446, 213870), (2169, 142580), (2410, 128322), (2892, 106935), (3615, 85548), (4338, 71290), (4820, 64161), (7129, 43380), (7230, 42774), (8676, 35645), (10845, 28516), (14258, 21690), (14460, 21387)]