81789480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75731}}^1$

素因数の和:75751

約数の個数: 64

約数和(自身を含む): 272635200

約数和(自身を除く): 190845720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75731, 151462, 227193, 302924, 378655, 454386, 605848, 681579, 757310, 908772, 1135965, 1363158, 1514620, 1817544, 2044737, 2271930, 2726316, 3029240, 3407895, 4089474, 4543860, 5452632, 6815790, 8178948, 9087720, 10223685, 13631580, 16357896, 20447370, 27263160, 40894740, 81789480]

約数ペア:

[(1, 81789480), (2, 40894740), (3, 27263160), (4, 20447370), (5, 16357896), (6, 13631580), (8, 10223685), (9, 9087720), (10, 8178948), (12, 6815790), (15, 5452632), (18, 4543860), (20, 4089474), (24, 3407895), (27, 3029240), (30, 2726316), (36, 2271930), (40, 2044737), (45, 1817544), (54, 1514620), (60, 1363158), (72, 1135965), (90, 908772), (108, 757310), (120, 681579), (135, 605848), (180, 454386), (216, 378655), (270, 302924), (360, 227193), (540, 151462), (1080, 75731)]