19917165120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{1301}}^1$

素因数の和:1789

約数の個数: 224

約数和(自身を含む): 65146830336

約数和(自身を除く): 45229665216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 148, 160, 185, 192, 222, 240, 296, 320, 370, 431, 444, 480, 555, 592, 740, 862, 888, 960, 1110, 1184, 1293, 1301, 1480, 1724, 1776, 2155, 2220, 2368, 2586, 2602, 2960, 3448, 3552, 3903, 4310, 4440, 5172, 5204, 5920, 6465, 6505, 6896, 7104, 7806, 8620, 8880, 10344, 10408, 11840, 12930, 13010, 13792, 15612, 15947, 17240, 17760, 19515, 20688, 20816, 25860, 26020, 27584, 31224, 31894, 34480, 35520, 39030, 41376, 41632, 47841, 48137, 51720, 52040, 62448, 63788, 68960, 78060, 79735, 82752, 83264, 95682, 96274, 103440, 104080, 124896, 127576, 137920, 144411, 156120, 159470, 191364, 192548, 206880, 208160, 239205, 240685, 249792, 255152, 288822, 312240, 318940, 382728, 385096, 413760, 416320, 478410, 481370, 510304, 560731, 577644, 624480, 637880, 722055, 765456, 770192, 956820, 962740, 1020608, 1121462, 1155288, 1248960, 1275760, 1444110, 1530912, 1540384, 1682193, 1913640, 1925480, 2242924, 2310576, 2551520, 2803655, 2888220, 3061824, 3080768, 3364386, 3827280, 3850960, 4485848, 4621152, 5103040, 5607310, 5776440, 6728772, 7654560, 7701920, 8410965, 8971696, 9242304, 11214620, 11552880, 13457544, 15309120, 15403840, 16821930, 17943392, 20747047, 22429240, 23105760, 26915088, 33643860, 35886784, 41494094, 44858480, 46211520, 53830176, 62241141, 67287720, 82988188, 89716960, 103735235, 107660352, 124482282, 134575440, 165976376, 179433920, 207470470, 248964564, 269150880, 311205705, 331952752, 414940940, 497929128, 538301760, 622411410, 663905504, 829881880, 995858256, 1244822820, 1327811008, 1659763760, 1991716512, 2489645640, 3319527520, 3983433024, 4979291280, 6639055040, 9958582560, 19917165120]

約数ペア:

[(1, 19917165120), (2, 9958582560), (3, 6639055040), (4, 4979291280), (5, 3983433024), (6, 3319527520), (8, 2489645640), (10, 1991716512), (12, 1659763760), (15, 1327811008), (16, 1244822820), (20, 995858256), (24, 829881880), (30, 663905504), (32, 622411410), (37, 538301760), (40, 497929128), (48, 414940940), (60, 331952752), (64, 311205705), (74, 269150880), (80, 248964564), (96, 207470470), (111, 179433920), (120, 165976376), (148, 134575440), (160, 124482282), (185, 107660352), (192, 103735235), (222, 89716960), (240, 82988188), (296, 67287720), (320, 62241141), (370, 53830176), (431, 46211520), (444, 44858480), (480, 41494094), (555, 35886784), (592, 33643860), (740, 26915088), (862, 23105760), (888, 22429240), (960, 20747047), (1110, 17943392), (1184, 16821930), (1293, 15403840), (1301, 15309120), (1480, 13457544), (1724, 11552880), (1776, 11214620), (2155, 9242304), (2220, 8971696), (2368, 8410965), (2586, 7701920), (2602, 7654560), (2960, 6728772), (3448, 5776440), (3552, 5607310), (3903, 5103040), (4310, 4621152), (4440, 4485848), (5172, 3850960), (5204, 3827280), (5920, 3364386), (6465, 3080768), (6505, 3061824), (6896, 2888220), (7104, 2803655), (7806, 2551520), (8620, 2310576), (8880, 2242924), (10344, 1925480), (10408, 1913640), (11840, 1682193), (12930, 1540384), (13010, 1530912), (13792, 1444110), (15612, 1275760), (15947, 1248960), (17240, 1155288), (17760, 1121462), (19515, 1020608), (20688, 962740), (20816, 956820), (25860, 770192), (26020, 765456), (27584, 722055), (31224, 637880), (31894, 624480), (34480, 577644), (35520, 560731), (39030, 510304), (41376, 481370), (41632, 478410), (47841, 416320), (48137, 413760), (51720, 385096), (52040, 382728), (62448, 318940), (63788, 312240), (68960, 288822), (78060, 255152), (79735, 249792), (82752, 240685), (83264, 239205), (95682, 208160), (96274, 206880), (103440, 192548), (104080, 191364), (124896, 159470), (127576, 156120), (137920, 144411)]