745399320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1097

約数の個数: 128

約数和(自身を含む): 2301696000

約数和(自身を除く): 1556296680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 149, 188, 235, 282, 298, 376, 447, 470, 564, 596, 705, 745, 887, 894, 940, 1128, 1192, 1410, 1490, 1774, 1788, 1880, 2235, 2661, 2820, 2980, 3548, 3576, 4435, 4470, 5322, 5640, 5960, 7003, 7096, 8870, 8940, 10644, 13305, 14006, 17740, 17880, 21009, 21288, 26610, 28012, 35015, 35480, 41689, 42018, 53220, 56024, 70030, 83378, 84036, 105045, 106440, 125067, 132163, 140060, 166756, 168072, 208445, 210090, 250134, 264326, 280120, 333512, 396489, 416890, 420180, 500268, 528652, 625335, 660815, 792978, 833780, 840360, 1000536, 1057304, 1250670, 1321630, 1585956, 1667560, 1982445, 2501340, 2643260, 3171912, 3964890, 5002680, 5286520, 6211661, 7929780, 12423322, 15859560, 18634983, 24846644, 31058305, 37269966, 49693288, 62116610, 74539932, 93174915, 124233220, 149079864, 186349830, 248466440, 372699660, 745399320]

約数ペア:

[(1, 745399320), (2, 372699660), (3, 248466440), (4, 186349830), (5, 149079864), (6, 124233220), (8, 93174915), (10, 74539932), (12, 62116610), (15, 49693288), (20, 37269966), (24, 31058305), (30, 24846644), (40, 18634983), (47, 15859560), (60, 12423322), (94, 7929780), (120, 6211661), (141, 5286520), (149, 5002680), (188, 3964890), (235, 3171912), (282, 2643260), (298, 2501340), (376, 1982445), (447, 1667560), (470, 1585956), (564, 1321630), (596, 1250670), (705, 1057304), (745, 1000536), (887, 840360), (894, 833780), (940, 792978), (1128, 660815), (1192, 625335), (1410, 528652), (1490, 500268), (1774, 420180), (1788, 416890), (1880, 396489), (2235, 333512), (2661, 280120), (2820, 264326), (2980, 250134), (3548, 210090), (3576, 208445), (4435, 168072), (4470, 166756), (5322, 140060), (5640, 132163), (5960, 125067), (7003, 106440), (7096, 105045), (8870, 84036), (8940, 83378), (10644, 70030), (13305, 56024), (14006, 53220), (17740, 42018), (17880, 41689), (21009, 35480), (21288, 35015), (26610, 28012)]