20734800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 68361696

約数和(自身を除く): 47626896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 60, 74, 75, 80, 100, 111, 120, 148, 150, 185, 200, 222, 240, 296, 300, 370, 400, 444, 467, 555, 592, 600, 740, 888, 925, 934, 1110, 1200, 1401, 1480, 1776, 1850, 1868, 2220, 2335, 2775, 2802, 2960, 3700, 3736, 4440, 4670, 5550, 5604, 7005, 7400, 7472, 8880, 9340, 11100, 11208, 11675, 14010, 14800, 17279, 18680, 22200, 22416, 23350, 28020, 34558, 35025, 37360, 44400, 46700, 51837, 56040, 69116, 70050, 86395, 93400, 103674, 112080, 138232, 140100, 172790, 186800, 207348, 259185, 276464, 280200, 345580, 414696, 431975, 518370, 560400, 691160, 829392, 863950, 1036740, 1295925, 1382320, 1727900, 2073480, 2591850, 3455800, 4146960, 5183700, 6911600, 10367400, 20734800]

約数ペア:

[(1, 20734800), (2, 10367400), (3, 6911600), (4, 5183700), (5, 4146960), (6, 3455800), (8, 2591850), (10, 2073480), (12, 1727900), (15, 1382320), (16, 1295925), (20, 1036740), (24, 863950), (25, 829392), (30, 691160), (37, 560400), (40, 518370), (48, 431975), (50, 414696), (60, 345580), (74, 280200), (75, 276464), (80, 259185), (100, 207348), (111, 186800), (120, 172790), (148, 140100), (150, 138232), (185, 112080), (200, 103674), (222, 93400), (240, 86395), (296, 70050), (300, 69116), (370, 56040), (400, 51837), (444, 46700), (467, 44400), (555, 37360), (592, 35025), (600, 34558), (740, 28020), (888, 23350), (925, 22416), (934, 22200), (1110, 18680), (1200, 17279), (1401, 14800), (1480, 14010), (1776, 11675), (1850, 11208), (1868, 11100), (2220, 9340), (2335, 8880), (2775, 7472), (2802, 7400), (2960, 7005), (3700, 5604), (3736, 5550), (4440, 4670)]