19681356720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:972

約数の個数: 320

約数和(自身を含む): 66468602880

約数和(自身を除く): 46787246160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 157, 185, 190, 222, 228, 240, 285, 296, 304, 314, 370, 380, 444, 456, 471, 555, 570, 592, 628, 703, 740, 743, 760, 785, 888, 912, 942, 1110, 1140, 1256, 1406, 1480, 1486, 1520, 1570, 1776, 1884, 2109, 2220, 2229, 2280, 2355, 2512, 2812, 2960, 2972, 2983, 3140, 3515, 3715, 3768, 4218, 4440, 4458, 4560, 4710, 5624, 5809, 5944, 5966, 6280, 7030, 7430, 7536, 8436, 8880, 8916, 8949, 9420, 10545, 11145, 11248, 11618, 11888, 11932, 12560, 14060, 14117, 14860, 14915, 16872, 17427, 17832, 17898, 18840, 21090, 22290, 23236, 23864, 27491, 28120, 28234, 29045, 29720, 29830, 33744, 34854, 35664, 35796, 37680, 42180, 42351, 44580, 44745, 46472, 47728, 54982, 56240, 56468, 58090, 59440, 59660, 69708, 70585, 71592, 82473, 84360, 84702, 87135, 89160, 89490, 92944, 109964, 110371, 112936, 116180, 116651, 119320, 137455, 139416, 141170, 143184, 164946, 168720, 169404, 174270, 178320, 178980, 211755, 219928, 220742, 225872, 232360, 233302, 238640, 274910, 278832, 282340, 329892, 331113, 338808, 348540, 349953, 357960, 412365, 423510, 439856, 441484, 464720, 466604, 522329, 549820, 551855, 564680, 583255, 659784, 662226, 677616, 697080, 699906, 715920, 824730, 847020, 882968, 933208, 1044658, 1099640, 1103710, 1129360, 1166510, 1319568, 1324452, 1394160, 1399812, 1566987, 1649460, 1655565, 1694040, 1749765, 1765936, 1866416, 2089316, 2199280, 2207420, 2216369, 2333020, 2611645, 2648904, 2799624, 3133974, 3298920, 3311130, 3388080, 3499530, 4178632, 4316087, 4414840, 4432738, 4666040, 5223290, 5297808, 5599248, 6267948, 6597840, 6622260, 6649107, 6999060, 7834935, 8357264, 8632174, 8829680, 8865476, 9332080, 10446580, 11081845, 12535896, 12948261, 13244520, 13298214, 13998120, 15669870, 17264348, 17730952, 20893160, 21580435, 22163690, 25071792, 25896522, 26489040, 26596428, 27996240, 31339740, 33245535, 34528696, 35461904, 41786320, 43160870, 44327380, 51793044, 53192856, 62679480, 64741305, 66491070, 69057392, 82005653, 86321740, 88654760, 103586088, 106385712, 125358960, 129482610, 132982140, 164011306, 172643480, 177309520, 207172176, 246016959, 258965220, 265964280, 328022612, 345286960, 410028265, 492033918, 517930440, 531928560, 656045224, 820056530, 984067836, 1035860880, 1230084795, 1312090448, 1640113060, 1968135672, 2460169590, 3280226120, 3936271344, 4920339180, 6560452240, 9840678360, 19681356720]

約数ペア:

[(1, 19681356720), (2, 9840678360), (3, 6560452240), (4, 4920339180), (5, 3936271344), (6, 3280226120), (8, 2460169590), (10, 1968135672), (12, 1640113060), (15, 1312090448), (16, 1230084795), (19, 1035860880), (20, 984067836), (24, 820056530), (30, 656045224), (37, 531928560), (38, 517930440), (40, 492033918), (48, 410028265), (57, 345286960), (60, 328022612), (74, 265964280), (76, 258965220), (80, 246016959), (95, 207172176), (111, 177309520), (114, 172643480), (120, 164011306), (148, 132982140), (152, 129482610), (157, 125358960), (185, 106385712), (190, 103586088), (222, 88654760), (228, 86321740), (240, 82005653), (285, 69057392), (296, 66491070), (304, 64741305), (314, 62679480), (370, 53192856), (380, 51793044), (444, 44327380), (456, 43160870), (471, 41786320), (555, 35461904), (570, 34528696), (592, 33245535), (628, 31339740), (703, 27996240), (740, 26596428), (743, 26489040), (760, 25896522), (785, 25071792), (888, 22163690), (912, 21580435), (942, 20893160), (1110, 17730952), (1140, 17264348), (1256, 15669870), (1406, 13998120), (1480, 13298214), (1486, 13244520), (1520, 12948261), (1570, 12535896), (1776, 11081845), (1884, 10446580), (2109, 9332080), (2220, 8865476), (2229, 8829680), (2280, 8632174), (2355, 8357264), (2512, 7834935), (2812, 6999060), (2960, 6649107), (2972, 6622260), (2983, 6597840), (3140, 6267948), (3515, 5599248), (3715, 5297808), (3768, 5223290), (4218, 4666040), (4440, 4432738), (4458, 4414840), (4560, 4316087), (4710, 4178632), (5624, 3499530), (5809, 3388080), (5944, 3311130), (5966, 3298920), (6280, 3133974), (7030, 2799624), (7430, 2648904), (7536, 2611645), (8436, 2333020), (8880, 2216369), (8916, 2207420), (8949, 2199280), (9420, 2089316), (10545, 1866416), (11145, 1765936), (11248, 1749765), (11618, 1694040), (11888, 1655565), (11932, 1649460), (12560, 1566987), (14060, 1399812), (14117, 1394160), (14860, 1324452), (14915, 1319568), (16872, 1166510), (17427, 1129360), (17832, 1103710), (17898, 1099640), (18840, 1044658), (21090, 933208), (22290, 882968), (23236, 847020), (23864, 824730), (27491, 715920), (28120, 699906), (28234, 697080), (29045, 677616), (29720, 662226), (29830, 659784), (33744, 583255), (34854, 564680), (35664, 551855), (35796, 549820), (37680, 522329), (42180, 466604), (42351, 464720), (44580, 441484), (44745, 439856), (46472, 423510), (47728, 412365), (54982, 357960), (56240, 349953), (56468, 348540), (58090, 338808), (59440, 331113), (59660, 329892), (69708, 282340), (70585, 278832), (71592, 274910), (82473, 238640), (84360, 233302), (84702, 232360), (87135, 225872), (89160, 220742), (89490, 219928), (92944, 211755), (109964, 178980), (110371, 178320), (112936, 174270), (116180, 169404), (116651, 168720), (119320, 164946), (137455, 143184), (139416, 141170)]