64979600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1057

約数の個数: 120

約数和(自身を含む): 186357120

約数和(自身を除く): 121377520

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, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1009, 1150, 1288, 1400, 1610, 1840, 2018, 2300, 2576, 2800, 3220, 4025, 4036, 4600, 5045, 6440, 7063, 8050, 8072, 9200, 10090, 12880, 14126, 16100, 16144, 20180, 23207, 25225, 28252, 32200, 35315, 40360, 46414, 50450, 56504, 64400, 70630, 80720, 92828, 100900, 113008, 116035, 141260, 162449, 176575, 185656, 201800, 232070, 282520, 324898, 353150, 371312, 403600, 464140, 565040, 580175, 649796, 706300, 812245, 928280, 1160350, 1299592, 1412600, 1624490, 1856560, 2320700, 2599184, 2825200, 3248980, 4061225, 4641400, 6497960, 8122450, 9282800, 12995920, 16244900, 32489800, 64979600]

約数ペア:

[(1, 64979600), (2, 32489800), (4, 16244900), (5, 12995920), (7, 9282800), (8, 8122450), (10, 6497960), (14, 4641400), (16, 4061225), (20, 3248980), (23, 2825200), (25, 2599184), (28, 2320700), (35, 1856560), (40, 1624490), (46, 1412600), (50, 1299592), (56, 1160350), (70, 928280), (80, 812245), (92, 706300), (100, 649796), (112, 580175), (115, 565040), (140, 464140), (161, 403600), (175, 371312), (184, 353150), (200, 324898), (230, 282520), (280, 232070), (322, 201800), (350, 185656), (368, 176575), (400, 162449), (460, 141260), (560, 116035), (575, 113008), (644, 100900), (700, 92828), (805, 80720), (920, 70630), (1009, 64400), (1150, 56504), (1288, 50450), (1400, 46414), (1610, 40360), (1840, 35315), (2018, 32200), (2300, 28252), (2576, 25225), (2800, 23207), (3220, 20180), (4025, 16144), (4036, 16100), (4600, 14126), (5045, 12880), (6440, 10090), (7063, 9200), (8050, 8072)]