217679940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{821}}^1$

素因数の和:1330

約数の個数: 96

約数和(自身を含む): 679432320

約数和(自身を除く): 461752380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 491, 540, 821, 982, 1473, 1642, 1964, 2455, 2463, 2946, 3284, 4105, 4419, 4910, 4926, 5892, 7365, 7389, 8210, 8838, 9820, 9852, 12315, 13257, 14730, 14778, 16420, 17676, 22095, 22167, 24630, 26514, 29460, 29556, 36945, 44190, 44334, 49260, 53028, 66285, 73890, 88380, 88668, 110835, 132570, 147780, 221670, 265140, 403111, 443340, 806222, 1209333, 1612444, 2015555, 2418666, 3627999, 4031110, 4837332, 6046665, 7255998, 8062220, 10883997, 12093330, 14511996, 18139995, 21767994, 24186660, 36279990, 43535988, 54419985, 72559980, 108839970, 217679940]

約数ペア:

[(1, 217679940), (2, 108839970), (3, 72559980), (4, 54419985), (5, 43535988), (6, 36279990), (9, 24186660), (10, 21767994), (12, 18139995), (15, 14511996), (18, 12093330), (20, 10883997), (27, 8062220), (30, 7255998), (36, 6046665), (45, 4837332), (54, 4031110), (60, 3627999), (90, 2418666), (108, 2015555), (135, 1612444), (180, 1209333), (270, 806222), (491, 443340), (540, 403111), (821, 265140), (982, 221670), (1473, 147780), (1642, 132570), (1964, 110835), (2455, 88668), (2463, 88380), (2946, 73890), (3284, 66285), (4105, 53028), (4419, 49260), (4910, 44334), (4926, 44190), (5892, 36945), (7365, 29556), (7389, 29460), (8210, 26514), (8838, 24630), (9820, 22167), (9852, 22095), (12315, 17676), (13257, 16420), (14730, 14778)]