28697040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39857}}^1$

素因数の和:39876

約数の個数: 60

約数和(自身を含む): 96376644

約数和(自身を除く): 67679604

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, 39857, 79714, 119571, 159428, 199285, 239142, 318856, 358713, 398570, 478284, 597855, 637712, 717426, 797140, 956568, 1195710, 1434852, 1594280, 1793565, 1913136, 2391420, 2869704, 3188560, 3587130, 4782840, 5739408, 7174260, 9565680, 14348520, 28697040]

約数ペア:

[(1, 28697040), (2, 14348520), (3, 9565680), (4, 7174260), (5, 5739408), (6, 4782840), (8, 3587130), (9, 3188560), (10, 2869704), (12, 2391420), (15, 1913136), (16, 1793565), (18, 1594280), (20, 1434852), (24, 1195710), (30, 956568), (36, 797140), (40, 717426), (45, 637712), (48, 597855), (60, 478284), (72, 398570), (80, 358713), (90, 318856), (120, 239142), (144, 199285), (180, 159428), (240, 119571), (360, 79714), (720, 39857)]