61397960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1758

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 89560120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1663, 1846, 2840, 3326, 3692, 4615, 6652, 7384, 8315, 9230, 13304, 16630, 18460, 21619, 33260, 36920, 43238, 66520, 86476, 108095, 118073, 172952, 216190, 236146, 432380, 472292, 590365, 864760, 944584, 1180730, 1534949, 2361460, 3069898, 4722920, 6139796, 7674745, 12279592, 15349490, 30698980, 61397960]

約数ペア:

[(1, 61397960), (2, 30698980), (4, 15349490), (5, 12279592), (8, 7674745), (10, 6139796), (13, 4722920), (20, 3069898), (26, 2361460), (40, 1534949), (52, 1180730), (65, 944584), (71, 864760), (104, 590365), (130, 472292), (142, 432380), (260, 236146), (284, 216190), (355, 172952), (520, 118073), (568, 108095), (710, 86476), (923, 66520), (1420, 43238), (1663, 36920), (1846, 33260), (2840, 21619), (3326, 18460), (3692, 16630), (4615, 13304), (6652, 9230), (7384, 8315)]