68906940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2339}}^1$

素因数の和:2842

約数の個数: 48

約数和(自身を含む): 193415040

約数和(自身を除く): 124508100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 982, 1473, 1964, 2339, 2455, 2946, 4678, 4910, 5892, 7017, 7365, 9356, 9820, 11695, 14034, 14730, 23390, 28068, 29460, 35085, 46780, 70170, 140340, 1148449, 2296898, 3445347, 4593796, 5742245, 6890694, 11484490, 13781388, 17226735, 22968980, 34453470, 68906940]

約数ペア:

[(1, 68906940), (2, 34453470), (3, 22968980), (4, 17226735), (5, 13781388), (6, 11484490), (10, 6890694), (12, 5742245), (15, 4593796), (20, 3445347), (30, 2296898), (60, 1148449), (491, 140340), (982, 70170), (1473, 46780), (1964, 35085), (2339, 29460), (2455, 28068), (2946, 23390), (4678, 14730), (4910, 14034), (5892, 11695), (7017, 9820), (7365, 9356)]