4881520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 13570560

約数和(自身を除く): 8689040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 379, 460, 560, 644, 758, 805, 920, 1288, 1516, 1610, 1840, 1895, 2576, 2653, 3032, 3220, 3790, 5306, 6064, 6440, 7580, 8717, 10612, 12880, 13265, 15160, 17434, 21224, 26530, 30320, 34868, 42448, 43585, 53060, 61019, 69736, 87170, 106120, 122038, 139472, 174340, 212240, 244076, 305095, 348680, 488152, 610190, 697360, 976304, 1220380, 2440760, 4881520]

約数ペア:

[(1, 4881520), (2, 2440760), (4, 1220380), (5, 976304), (7, 697360), (8, 610190), (10, 488152), (14, 348680), (16, 305095), (20, 244076), (23, 212240), (28, 174340), (35, 139472), (40, 122038), (46, 106120), (56, 87170), (70, 69736), (80, 61019), (92, 53060), (112, 43585), (115, 42448), (140, 34868), (161, 30320), (184, 26530), (230, 21224), (280, 17434), (322, 15160), (368, 13265), (379, 12880), (460, 10612), (560, 8717), (644, 7580), (758, 6440), (805, 6064), (920, 5306), (1288, 3790), (1516, 3220), (1610, 3032), (1840, 2653), (1895, 2576)]