15648280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 37402560

約数和(自身を除く): 21754280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 233, 292, 365, 460, 466, 584, 730, 920, 932, 1165, 1460, 1679, 1864, 2330, 2920, 3358, 4660, 5359, 6716, 8395, 9320, 10718, 13432, 16790, 17009, 21436, 26795, 33580, 34018, 42872, 53590, 67160, 68036, 85045, 107180, 136072, 170090, 214360, 340180, 391207, 680360, 782414, 1564828, 1956035, 3129656, 3912070, 7824140, 15648280]

約数ペア:

[(1, 15648280), (2, 7824140), (4, 3912070), (5, 3129656), (8, 1956035), (10, 1564828), (20, 782414), (23, 680360), (40, 391207), (46, 340180), (73, 214360), (92, 170090), (115, 136072), (146, 107180), (184, 85045), (230, 68036), (233, 67160), (292, 53590), (365, 42872), (460, 34018), (466, 33580), (584, 26795), (730, 21436), (920, 17009), (932, 16790), (1165, 13432), (1460, 10718), (1679, 9320), (1864, 8395), (2330, 6716), (2920, 5359), (3358, 4660)]