198123720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2011}}^1$

素因数の和:2846

約数の個数: 64

約数和(自身を含む): 595391040

約数和(自身を除く): 397267320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 821, 1642, 2011, 2463, 3284, 4022, 4105, 4926, 6033, 6568, 8044, 8210, 9852, 10055, 12066, 12315, 16088, 16420, 19704, 20110, 24132, 24630, 30165, 32840, 40220, 48264, 49260, 60330, 80440, 98520, 120660, 241320, 1651031, 3302062, 4953093, 6604124, 8255155, 9906186, 13208248, 16510310, 19812372, 24765465, 33020620, 39624744, 49530930, 66041240, 99061860, 198123720]

約数ペア:

[(1, 198123720), (2, 99061860), (3, 66041240), (4, 49530930), (5, 39624744), (6, 33020620), (8, 24765465), (10, 19812372), (12, 16510310), (15, 13208248), (20, 9906186), (24, 8255155), (30, 6604124), (40, 4953093), (60, 3302062), (120, 1651031), (821, 241320), (1642, 120660), (2011, 98520), (2463, 80440), (3284, 60330), (4022, 49260), (4105, 48264), (4926, 40220), (6033, 32840), (6568, 30165), (8044, 24630), (8210, 24132), (9852, 20110), (10055, 19704), (12066, 16420), (12315, 16088)]