18917757440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1877}}^1$

素因数の和:2058

約数の個数: 160

約数和(自身を含む): 47215263744

約数和(自身を除く): 28297506304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 496, 508, 512, 620, 635, 640, 992, 1016, 1240, 1270, 1280, 1877, 1984, 2032, 2480, 2540, 2560, 3754, 3937, 3968, 4064, 4960, 5080, 7508, 7874, 7936, 8128, 9385, 9920, 10160, 15016, 15748, 15872, 16256, 18770, 19685, 19840, 20320, 30032, 31496, 32512, 37540, 39370, 39680, 40640, 58187, 60064, 62992, 65024, 75080, 78740, 79360, 81280, 116374, 120128, 125984, 150160, 157480, 162560, 232748, 238379, 240256, 251968, 290935, 300320, 314960, 325120, 465496, 476758, 480512, 503936, 581870, 600640, 629920, 930992, 953516, 961024, 1007872, 1163740, 1191895, 1201280, 1259840, 1861984, 1907032, 2015744, 2327480, 2383790, 2402560, 2519680, 3723968, 3814064, 4654960, 4767580, 4805120, 5039360, 7389749, 7447936, 7628128, 9309920, 9535160, 10078720, 14779498, 14895872, 15256256, 18619840, 19070320, 29558996, 29791744, 30512512, 36948745, 37239680, 38140640, 59117992, 61025024, 73897490, 74479360, 76281280, 118235984, 122050048, 147794980, 148958720, 152562560, 236471968, 295589960, 305125120, 472943936, 591179920, 610250240, 945887872, 1182359840, 1891775744, 2364719680, 3783551488, 4729439360, 9458878720, 18917757440]

約数ペア:

[(1, 18917757440), (2, 9458878720), (4, 4729439360), (5, 3783551488), (8, 2364719680), (10, 1891775744), (16, 1182359840), (20, 945887872), (31, 610250240), (32, 591179920), (40, 472943936), (62, 305125120), (64, 295589960), (80, 236471968), (124, 152562560), (127, 148958720), (128, 147794980), (155, 122050048), (160, 118235984), (248, 76281280), (254, 74479360), (256, 73897490), (310, 61025024), (320, 59117992), (496, 38140640), (508, 37239680), (512, 36948745), (620, 30512512), (635, 29791744), (640, 29558996), (992, 19070320), (1016, 18619840), (1240, 15256256), (1270, 14895872), (1280, 14779498), (1877, 10078720), (1984, 9535160), (2032, 9309920), (2480, 7628128), (2540, 7447936), (2560, 7389749), (3754, 5039360), (3937, 4805120), (3968, 4767580), (4064, 4654960), (4960, 3814064), (5080, 3723968), (7508, 2519680), (7874, 2402560), (7936, 2383790), (8128, 2327480), (9385, 2015744), (9920, 1907032), (10160, 1861984), (15016, 1259840), (15748, 1201280), (15872, 1191895), (16256, 1163740), (18770, 1007872), (19685, 961024), (19840, 953516), (20320, 930992), (30032, 629920), (31496, 600640), (32512, 581870), (37540, 503936), (39370, 480512), (39680, 476758), (40640, 465496), (58187, 325120), (60064, 314960), (62992, 300320), (65024, 290935), (75080, 251968), (78740, 240256), (79360, 238379), (81280, 232748), (116374, 162560), (120128, 157480), (125984, 150160)]