63281250

素因数分解:

$2^1\times 3^4\times 5^8$

素因数の和:54

約数の個数: 90

約数和(自身を含む): 177246003

約数和(自身を除く): 113964753

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 375, 405, 450, 625, 675, 750, 810, 1125, 1250, 1350, 1875, 2025, 2250, 3125, 3375, 3750, 4050, 5625, 6250, 6750, 9375, 10125, 11250, 15625, 16875, 18750, 20250, 28125, 31250, 33750, 46875, 50625, 56250, 78125, 84375, 93750, 101250, 140625, 156250, 168750, 234375, 253125, 281250, 390625, 421875, 468750, 506250, 703125, 781250, 843750, 1171875, 1265625, 1406250, 2109375, 2343750, 2531250, 3515625, 4218750, 6328125, 7031250, 10546875, 12656250, 21093750, 31640625, 63281250]

約数ペア:

[(1, 63281250), (2, 31640625), (3, 21093750), (5, 12656250), (6, 10546875), (9, 7031250), (10, 6328125), (15, 4218750), (18, 3515625), (25, 2531250), (27, 2343750), (30, 2109375), (45, 1406250), (50, 1265625), (54, 1171875), (75, 843750), (81, 781250), (90, 703125), (125, 506250), (135, 468750), (150, 421875), (162, 390625), (225, 281250), (250, 253125), (270, 234375), (375, 168750), (405, 156250), (450, 140625), (625, 101250), (675, 93750), (750, 84375), (810, 78125), (1125, 56250), (1250, 50625), (1350, 46875), (1875, 33750), (2025, 31250), (2250, 28125), (3125, 20250), (3375, 18750), (3750, 16875), (4050, 15625), (5625, 11250), (6250, 10125), (6750, 9375)]