490171680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{340397}}^1$

素因数の和:340418

約数の個数: 72

約数和(自身を含む): 1672715772

約数和(自身を除く): 1182544092

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 340397, 680794, 1021191, 1361588, 1701985, 2042382, 2723176, 3063573, 3403970, 4084764, 5105955, 5446352, 6127146, 6807940, 8169528, 10211910, 10892704, 12254292, 13615880, 15317865, 16339056, 20423820, 24508584, 27231760, 30635730, 32678112, 40847640, 49017168, 54463520, 61271460, 81695280, 98034336, 122542920, 163390560, 245085840, 490171680]

約数ペア:

[(1, 490171680), (2, 245085840), (3, 163390560), (4, 122542920), (5, 98034336), (6, 81695280), (8, 61271460), (9, 54463520), (10, 49017168), (12, 40847640), (15, 32678112), (16, 30635730), (18, 27231760), (20, 24508584), (24, 20423820), (30, 16339056), (32, 15317865), (36, 13615880), (40, 12254292), (45, 10892704), (48, 10211910), (60, 8169528), (72, 6807940), (80, 6127146), (90, 5446352), (96, 5105955), (120, 4084764), (144, 3403970), (160, 3063573), (180, 2723176), (240, 2042382), (288, 1701985), (360, 1361588), (480, 1021191), (720, 680794), (1440, 340397)]