64480800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 213548832

約数和(自身を除く): 149068032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 67, 75, 80, 96, 100, 120, 134, 150, 160, 200, 201, 240, 268, 300, 335, 400, 401, 402, 480, 536, 600, 670, 800, 802, 804, 1005, 1072, 1200, 1203, 1340, 1604, 1608, 1675, 2005, 2010, 2144, 2400, 2406, 2680, 3208, 3216, 3350, 4010, 4020, 4812, 5025, 5360, 6015, 6416, 6432, 6700, 8020, 8040, 9624, 10025, 10050, 10720, 12030, 12832, 13400, 16040, 16080, 19248, 20050, 20100, 24060, 26800, 26867, 30075, 32080, 32160, 38496, 40100, 40200, 48120, 53600, 53734, 60150, 64160, 80200, 80400, 80601, 96240, 107468, 120300, 134335, 160400, 160800, 161202, 192480, 214936, 240600, 268670, 320800, 322404, 403005, 429872, 481200, 537340, 644808, 671675, 806010, 859744, 962400, 1074680, 1289616, 1343350, 1612020, 2015025, 2149360, 2579232, 2686700, 3224040, 4030050, 4298720, 5373400, 6448080, 8060100, 10746800, 12896160, 16120200, 21493600, 32240400, 64480800]

約数ペア:

[(1, 64480800), (2, 32240400), (3, 21493600), (4, 16120200), (5, 12896160), (6, 10746800), (8, 8060100), (10, 6448080), (12, 5373400), (15, 4298720), (16, 4030050), (20, 3224040), (24, 2686700), (25, 2579232), (30, 2149360), (32, 2015025), (40, 1612020), (48, 1343350), (50, 1289616), (60, 1074680), (67, 962400), (75, 859744), (80, 806010), (96, 671675), (100, 644808), (120, 537340), (134, 481200), (150, 429872), (160, 403005), (200, 322404), (201, 320800), (240, 268670), (268, 240600), (300, 214936), (335, 192480), (400, 161202), (401, 160800), (402, 160400), (480, 134335), (536, 120300), (600, 107468), (670, 96240), (800, 80601), (802, 80400), (804, 80200), (1005, 64160), (1072, 60150), (1200, 53734), (1203, 53600), (1340, 48120), (1604, 40200), (1608, 40100), (1675, 38496), (2005, 32160), (2010, 32080), (2144, 30075), (2400, 26867), (2406, 26800), (2680, 24060), (3208, 20100), (3216, 20050), (3350, 19248), (4010, 16080), (4020, 16040), (4812, 13400), (5025, 12832), (5360, 12030), (6015, 10720), (6416, 10050), (6432, 10025), (6700, 9624), (8020, 8040)]