68120000

素因数分解:

$2^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 140

約数和(自身を含む): 183297576

約数和(自身を除く): 115177576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 131, 160, 200, 208, 250, 260, 262, 320, 325, 400, 416, 500, 520, 524, 625, 650, 655, 800, 832, 1000, 1040, 1048, 1250, 1300, 1310, 1600, 1625, 1703, 2000, 2080, 2096, 2500, 2600, 2620, 3250, 3275, 3406, 4000, 4160, 4192, 5000, 5200, 5240, 6500, 6550, 6812, 8000, 8125, 8384, 8515, 10000, 10400, 10480, 13000, 13100, 13624, 16250, 16375, 17030, 20000, 20800, 20960, 26000, 26200, 27248, 32500, 32750, 34060, 40000, 41920, 42575, 52000, 52400, 54496, 65000, 65500, 68120, 81875, 85150, 104000, 104800, 108992, 130000, 131000, 136240, 163750, 170300, 209600, 212875, 260000, 262000, 272480, 327500, 340600, 425750, 520000, 524000, 544960, 655000, 681200, 851500, 1048000, 1064375, 1310000, 1362400, 1703000, 2128750, 2620000, 2724800, 3406000, 4257500, 5240000, 6812000, 8515000, 13624000, 17030000, 34060000, 68120000]

約数ペア:

[(1, 68120000), (2, 34060000), (4, 17030000), (5, 13624000), (8, 8515000), (10, 6812000), (13, 5240000), (16, 4257500), (20, 3406000), (25, 2724800), (26, 2620000), (32, 2128750), (40, 1703000), (50, 1362400), (52, 1310000), (64, 1064375), (65, 1048000), (80, 851500), (100, 681200), (104, 655000), (125, 544960), (130, 524000), (131, 520000), (160, 425750), (200, 340600), (208, 327500), (250, 272480), (260, 262000), (262, 260000), (320, 212875), (325, 209600), (400, 170300), (416, 163750), (500, 136240), (520, 131000), (524, 130000), (625, 108992), (650, 104800), (655, 104000), (800, 85150), (832, 81875), (1000, 68120), (1040, 65500), (1048, 65000), (1250, 54496), (1300, 52400), (1310, 52000), (1600, 42575), (1625, 41920), (1703, 40000), (2000, 34060), (2080, 32750), (2096, 32500), (2500, 27248), (2600, 26200), (2620, 26000), (3250, 20960), (3275, 20800), (3406, 20000), (4000, 17030), (4160, 16375), (4192, 16250), (5000, 13624), (5200, 13100), (5240, 13000), (6500, 10480), (6550, 10400), (6812, 10000), (8000, 8515), (8125, 8384)]