18157800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 57451680

約数和(自身を除く): 39293880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 150, 159, 200, 212, 265, 300, 318, 424, 530, 571, 600, 636, 795, 1060, 1142, 1272, 1325, 1590, 1713, 2120, 2284, 2650, 2855, 3180, 3426, 3975, 4568, 5300, 5710, 6360, 6852, 7950, 8565, 10600, 11420, 13704, 14275, 15900, 17130, 22840, 28550, 30263, 31800, 34260, 42825, 57100, 60526, 68520, 85650, 90789, 114200, 121052, 151315, 171300, 181578, 242104, 302630, 342600, 363156, 453945, 605260, 726312, 756575, 907890, 1210520, 1513150, 1815780, 2269725, 3026300, 3631560, 4539450, 6052600, 9078900, 18157800]

約数ペア:

[(1, 18157800), (2, 9078900), (3, 6052600), (4, 4539450), (5, 3631560), (6, 3026300), (8, 2269725), (10, 1815780), (12, 1513150), (15, 1210520), (20, 907890), (24, 756575), (25, 726312), (30, 605260), (40, 453945), (50, 363156), (53, 342600), (60, 302630), (75, 242104), (100, 181578), (106, 171300), (120, 151315), (150, 121052), (159, 114200), (200, 90789), (212, 85650), (265, 68520), (300, 60526), (318, 57100), (424, 42825), (530, 34260), (571, 31800), (600, 30263), (636, 28550), (795, 22840), (1060, 17130), (1142, 15900), (1272, 14275), (1325, 13704), (1590, 11420), (1713, 10600), (2120, 8565), (2284, 7950), (2650, 6852), (2855, 6360), (3180, 5710), (3426, 5300), (3975, 4568)]