2786680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 7076160

約数和(自身を除く): 4289480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 233, 260, 299, 460, 466, 520, 598, 920, 932, 1165, 1196, 1495, 1864, 2330, 2392, 2990, 3029, 4660, 5359, 5980, 6058, 9320, 10718, 11960, 12116, 15145, 21436, 24232, 26795, 30290, 42872, 53590, 60580, 69667, 107180, 121160, 139334, 214360, 278668, 348335, 557336, 696670, 1393340, 2786680]

約数ペア:

[(1, 2786680), (2, 1393340), (4, 696670), (5, 557336), (8, 348335), (10, 278668), (13, 214360), (20, 139334), (23, 121160), (26, 107180), (40, 69667), (46, 60580), (52, 53590), (65, 42872), (92, 30290), (104, 26795), (115, 24232), (130, 21436), (184, 15145), (230, 12116), (233, 11960), (260, 10718), (299, 9320), (460, 6058), (466, 5980), (520, 5359), (598, 4660), (920, 3029), (932, 2990), (1165, 2392), (1196, 2330), (1495, 1864)]