64078000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 160

約数和(自身を含む): 185702400

約数和(自身を除く): 121624400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 125, 140, 161, 175, 184, 199, 200, 230, 250, 280, 322, 350, 368, 398, 400, 460, 500, 560, 575, 644, 700, 796, 805, 875, 920, 995, 1000, 1150, 1288, 1393, 1400, 1592, 1610, 1750, 1840, 1990, 2000, 2300, 2576, 2786, 2800, 2875, 3184, 3220, 3500, 3980, 4025, 4577, 4600, 4975, 5572, 5750, 6440, 6965, 7000, 7960, 8050, 9154, 9200, 9950, 11144, 11500, 12880, 13930, 14000, 15920, 16100, 18308, 19900, 20125, 22288, 22885, 23000, 24875, 27860, 32039, 32200, 34825, 36616, 39800, 40250, 45770, 46000, 49750, 55720, 64078, 64400, 69650, 73232, 79600, 80500, 91540, 99500, 111440, 114425, 128156, 139300, 160195, 161000, 174125, 183080, 199000, 228850, 256312, 278600, 320390, 322000, 348250, 366160, 398000, 457700, 512624, 557200, 572125, 640780, 696500, 800975, 915400, 1144250, 1281560, 1393000, 1601950, 1830800, 2288500, 2563120, 2786000, 3203900, 4004875, 4577000, 6407800, 8009750, 9154000, 12815600, 16019500, 32039000, 64078000]

約数ペア:

[(1, 64078000), (2, 32039000), (4, 16019500), (5, 12815600), (7, 9154000), (8, 8009750), (10, 6407800), (14, 4577000), (16, 4004875), (20, 3203900), (23, 2786000), (25, 2563120), (28, 2288500), (35, 1830800), (40, 1601950), (46, 1393000), (50, 1281560), (56, 1144250), (70, 915400), (80, 800975), (92, 696500), (100, 640780), (112, 572125), (115, 557200), (125, 512624), (140, 457700), (161, 398000), (175, 366160), (184, 348250), (199, 322000), (200, 320390), (230, 278600), (250, 256312), (280, 228850), (322, 199000), (350, 183080), (368, 174125), (398, 161000), (400, 160195), (460, 139300), (500, 128156), (560, 114425), (575, 111440), (644, 99500), (700, 91540), (796, 80500), (805, 79600), (875, 73232), (920, 69650), (995, 64400), (1000, 64078), (1150, 55720), (1288, 49750), (1393, 46000), (1400, 45770), (1592, 40250), (1610, 39800), (1750, 36616), (1840, 34825), (1990, 32200), (2000, 32039), (2300, 27860), (2576, 24875), (2786, 23000), (2800, 22885), (2875, 22288), (3184, 20125), (3220, 19900), (3500, 18308), (3980, 16100), (4025, 15920), (4577, 14000), (4600, 13930), (4975, 12880), (5572, 11500), (5750, 11144), (6440, 9950), (6965, 9200), (7000, 9154), (7960, 8050)]