1639248780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{72469}}^1$

素因数の和:72523

約数の個数: 96

約数和(自身を含む): 5113483200

約数和(自身を除く): 3474234420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 870, 1131, 1508, 1740, 1885, 2262, 3770, 4524, 5655, 7540, 11310, 22620, 72469, 144938, 217407, 289876, 362345, 434814, 724690, 869628, 942097, 1087035, 1449380, 1884194, 2101601, 2174070, 2826291, 3768388, 4203202, 4348140, 4710485, 5652582, 6304803, 8406404, 9420970, 10508005, 11305164, 12609606, 14131455, 18841940, 21016010, 25219212, 27320813, 28262910, 31524015, 42032020, 54641626, 56525820, 63048030, 81962439, 109283252, 126096060, 136604065, 163924878, 273208130, 327849756, 409812195, 546416260, 819624390, 1639248780]

約数ペア:

[(1, 1639248780), (2, 819624390), (3, 546416260), (4, 409812195), (5, 327849756), (6, 273208130), (10, 163924878), (12, 136604065), (13, 126096060), (15, 109283252), (20, 81962439), (26, 63048030), (29, 56525820), (30, 54641626), (39, 42032020), (52, 31524015), (58, 28262910), (60, 27320813), (65, 25219212), (78, 21016010), (87, 18841940), (116, 14131455), (130, 12609606), (145, 11305164), (156, 10508005), (174, 9420970), (195, 8406404), (260, 6304803), (290, 5652582), (348, 4710485), (377, 4348140), (390, 4203202), (435, 3768388), (580, 2826291), (754, 2174070), (780, 2101601), (870, 1884194), (1131, 1449380), (1508, 1087035), (1740, 942097), (1885, 869628), (2262, 724690), (3770, 434814), (4524, 362345), (5655, 289876), (7540, 217407), (11310, 144938), (22620, 72469)]