64505520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89591}}^1$

素因数の和:89610

約数の個数: 60

約数和(自身を含む): 216633456

約数和(自身を除く): 152127936

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, 89591, 179182, 268773, 358364, 447955, 537546, 716728, 806319, 895910, 1075092, 1343865, 1433456, 1612638, 1791820, 2150184, 2687730, 3225276, 3583640, 4031595, 4300368, 5375460, 6450552, 7167280, 8063190, 10750920, 12901104, 16126380, 21501840, 32252760, 64505520]

約数ペア:

[(1, 64505520), (2, 32252760), (3, 21501840), (4, 16126380), (5, 12901104), (6, 10750920), (8, 8063190), (9, 7167280), (10, 6450552), (12, 5375460), (15, 4300368), (16, 4031595), (18, 3583640), (20, 3225276), (24, 2687730), (30, 2150184), (36, 1791820), (40, 1612638), (45, 1433456), (48, 1343865), (60, 1075092), (72, 895910), (80, 806319), (90, 716728), (120, 537546), (144, 447955), (180, 358364), (240, 268773), (360, 179182), (720, 89591)]