1720347840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1061}}^1$

素因数の和:1647

約数の個数: 168

約数和(自身を含む): 5933377008

約数和(自身を除く): 4213029168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 563, 576, 720, 960, 1061, 1126, 1440, 1689, 2122, 2252, 2815, 2880, 3183, 3378, 4244, 4504, 5067, 5305, 5630, 6366, 6756, 8445, 8488, 9008, 9549, 10134, 10610, 11260, 12732, 13512, 15915, 16890, 16976, 18016, 19098, 20268, 21220, 22520, 25335, 25464, 27024, 31830, 33780, 33952, 36032, 38196, 40536, 42440, 45040, 47745, 50670, 50928, 54048, 63660, 67560, 67904, 76392, 81072, 84880, 90080, 95490, 101340, 101856, 108096, 127320, 135120, 152784, 162144, 169760, 180160, 190980, 202680, 203712, 254640, 270240, 305568, 324288, 339520, 381960, 405360, 509280, 540480, 597343, 611136, 763920, 810720, 1018560, 1194686, 1527840, 1621440, 1792029, 2389372, 2986715, 3055680, 3584058, 4778744, 5376087, 5973430, 7168116, 8960145, 9557488, 10752174, 11946860, 14336232, 17920290, 19114976, 21504348, 23893720, 26880435, 28672464, 35840580, 38229952, 43008696, 47787440, 53760870, 57344928, 71681160, 86017392, 95574880, 107521740, 114689856, 143362320, 172034784, 191149760, 215043480, 286724640, 344069568, 430086960, 573449280, 860173920, 1720347840]

約数ペア:

[(1, 1720347840), (2, 860173920), (3, 573449280), (4, 430086960), (5, 344069568), (6, 286724640), (8, 215043480), (9, 191149760), (10, 172034784), (12, 143362320), (15, 114689856), (16, 107521740), (18, 95574880), (20, 86017392), (24, 71681160), (30, 57344928), (32, 53760870), (36, 47787440), (40, 43008696), (45, 38229952), (48, 35840580), (60, 28672464), (64, 26880435), (72, 23893720), (80, 21504348), (90, 19114976), (96, 17920290), (120, 14336232), (144, 11946860), (160, 10752174), (180, 9557488), (192, 8960145), (240, 7168116), (288, 5973430), (320, 5376087), (360, 4778744), (480, 3584058), (563, 3055680), (576, 2986715), (720, 2389372), (960, 1792029), (1061, 1621440), (1126, 1527840), (1440, 1194686), (1689, 1018560), (2122, 810720), (2252, 763920), (2815, 611136), (2880, 597343), (3183, 540480), (3378, 509280), (4244, 405360), (4504, 381960), (5067, 339520), (5305, 324288), (5630, 305568), (6366, 270240), (6756, 254640), (8445, 203712), (8488, 202680), (9008, 190980), (9549, 180160), (10134, 169760), (10610, 162144), (11260, 152784), (12732, 135120), (13512, 127320), (15915, 108096), (16890, 101856), (16976, 101340), (18016, 95490), (19098, 90080), (20268, 84880), (21220, 81072), (22520, 76392), (25335, 67904), (25464, 67560), (27024, 63660), (31830, 54048), (33780, 50928), (33952, 50670), (36032, 47745), (38196, 45040), (40536, 42440)]