123613280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{15767}}^1$

素因数の和:15796

約数の個数: 72

約数和(自身を含む): 339737328

約数和(自身を除く): 216124048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 15767, 31534, 63068, 78835, 110369, 126136, 157670, 220738, 252272, 315340, 441476, 504544, 551845, 630680, 772583, 882952, 1103690, 1261360, 1545166, 1765904, 2207380, 2522720, 3090332, 3531808, 3862915, 4414760, 6180664, 7725830, 8829520, 12361328, 15451660, 17659040, 24722656, 30903320, 61806640, 123613280]

約数ペア:

[(1, 123613280), (2, 61806640), (4, 30903320), (5, 24722656), (7, 17659040), (8, 15451660), (10, 12361328), (14, 8829520), (16, 7725830), (20, 6180664), (28, 4414760), (32, 3862915), (35, 3531808), (40, 3090332), (49, 2522720), (56, 2207380), (70, 1765904), (80, 1545166), (98, 1261360), (112, 1103690), (140, 882952), (160, 772583), (196, 630680), (224, 551845), (245, 504544), (280, 441476), (392, 315340), (490, 252272), (560, 220738), (784, 157670), (980, 126136), (1120, 110369), (1568, 78835), (1960, 63068), (3920, 31534), (7840, 15767)]