217727280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{302399}}^1$

素因数の和:302418

約数の個数: 60

約数和(自身を含む): 731203200

約数和(自身を除く): 513475920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 302399, 604798, 907197, 1209596, 1511995, 1814394, 2419192, 2721591, 3023990, 3628788, 4535985, 4838384, 5443182, 6047980, 7257576, 9071970, 10886364, 12095960, 13607955, 14515152, 18143940, 21772728, 24191920, 27215910, 36287880, 43545456, 54431820, 72575760, 108863640, 217727280]

約数ペア:

[(1, 217727280), (2, 108863640), (3, 72575760), (4, 54431820), (5, 43545456), (6, 36287880), (8, 27215910), (9, 24191920), (10, 21772728), (12, 18143940), (15, 14515152), (16, 13607955), (18, 12095960), (20, 10886364), (24, 9071970), (30, 7257576), (36, 6047980), (40, 5443182), (45, 4838384), (48, 4535985), (60, 3628788), (72, 3023990), (80, 2721591), (90, 2419192), (120, 1814394), (144, 1511995), (180, 1209596), (240, 907197), (360, 604798), (720, 302399)]