663213420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{409391}}^1$

素因数の和:409412

約数の個数: 60

約数和(自身を含む): 2080530144

約数和(自身を除く): 1417316724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 409391, 818782, 1228173, 1637564, 2046955, 2456346, 3684519, 4093910, 4912692, 6140865, 7369038, 8187820, 11053557, 12281730, 14738076, 18422595, 22107114, 24563460, 33160671, 36845190, 44214228, 55267785, 66321342, 73690380, 110535570, 132642684, 165803355, 221071140, 331606710, 663213420]

約数ペア:

[(1, 663213420), (2, 331606710), (3, 221071140), (4, 165803355), (5, 132642684), (6, 110535570), (9, 73690380), (10, 66321342), (12, 55267785), (15, 44214228), (18, 36845190), (20, 33160671), (27, 24563460), (30, 22107114), (36, 18422595), (45, 14738076), (54, 12281730), (60, 11053557), (81, 8187820), (90, 7369038), (108, 6140865), (135, 4912692), (162, 4093910), (180, 3684519), (270, 2456346), (324, 2046955), (405, 1637564), (540, 1228173), (810, 818782), (1620, 409391)]