2440760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 6566400

約数和(自身を除く): 4125640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 379, 460, 644, 758, 805, 920, 1288, 1516, 1610, 1895, 2653, 3032, 3220, 3790, 5306, 6440, 7580, 8717, 10612, 13265, 15160, 17434, 21224, 26530, 34868, 43585, 53060, 61019, 69736, 87170, 106120, 122038, 174340, 244076, 305095, 348680, 488152, 610190, 1220380, 2440760]

約数ペア:

[(1, 2440760), (2, 1220380), (4, 610190), (5, 488152), (7, 348680), (8, 305095), (10, 244076), (14, 174340), (20, 122038), (23, 106120), (28, 87170), (35, 69736), (40, 61019), (46, 53060), (56, 43585), (70, 34868), (92, 26530), (115, 21224), (140, 17434), (161, 15160), (184, 13265), (230, 10612), (280, 8717), (322, 7580), (379, 6440), (460, 5306), (644, 3790), (758, 3220), (805, 3032), (920, 2653), (1288, 1895), (1516, 1610)]