1817921520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7817}}^1$

素因数の和:7872

約数の個数: 240

約数和(自身を含む): 6805412640

約数和(自身を除く): 4987491120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 102, 114, 120, 136, 144, 152, 153, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 304, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1020, 1140, 1224, 1292, 1360, 1368, 1520, 1530, 1615, 1710, 1938, 2040, 2280, 2448, 2584, 2736, 2907, 3060, 3230, 3420, 3876, 4080, 4560, 4845, 5168, 5814, 6120, 6460, 6840, 7752, 7817, 9690, 11628, 12240, 12920, 13680, 14535, 15504, 15634, 19380, 23256, 23451, 25840, 29070, 31268, 38760, 39085, 46512, 46902, 58140, 62536, 70353, 77520, 78170, 93804, 116280, 117255, 125072, 132889, 140706, 148523, 156340, 187608, 232560, 234510, 265778, 281412, 297046, 312680, 351765, 375216, 398667, 445569, 469020, 531556, 562824, 594092, 625360, 664445, 703530, 742615, 797334, 891138, 938040, 1063112, 1125648, 1188184, 1196001, 1328890, 1336707, 1407060, 1485230, 1594668, 1782276, 1876080, 1993335, 2126224, 2227845, 2376368, 2392002, 2524891, 2657780, 2673414, 2814120, 2970460, 3189336, 3564552, 3986670, 4455690, 4784004, 5049782, 5315560, 5346828, 5628240, 5940920, 5980005, 6378672, 6683535, 7129104, 7574673, 7973340, 8911380, 9568008, 10099564, 10631120, 10693656, 11881840, 11960010, 12624455, 13367070, 15149346, 15946680, 17822760, 19136016, 20199128, 21387312, 22724019, 23920020, 25248910, 26734140, 30298692, 31893360, 35645520, 37873365, 40398256, 45448038, 47840040, 50497820, 53468280, 60597384, 75746730, 90896076, 95680080, 100995640, 106936560, 113620095, 121194768, 151493460, 181792152, 201991280, 227240190, 302986920, 363584304, 454480380, 605973840, 908960760, 1817921520]

約数ペア:

[(1, 1817921520), (2, 908960760), (3, 605973840), (4, 454480380), (5, 363584304), (6, 302986920), (8, 227240190), (9, 201991280), (10, 181792152), (12, 151493460), (15, 121194768), (16, 113620095), (17, 106936560), (18, 100995640), (19, 95680080), (20, 90896076), (24, 75746730), (30, 60597384), (34, 53468280), (36, 50497820), (38, 47840040), (40, 45448038), (45, 40398256), (48, 37873365), (51, 35645520), (57, 31893360), (60, 30298692), (68, 26734140), (72, 25248910), (76, 23920020), (80, 22724019), (85, 21387312), (90, 20199128), (95, 19136016), (102, 17822760), (114, 15946680), (120, 15149346), (136, 13367070), (144, 12624455), (152, 11960010), (153, 11881840), (170, 10693656), (171, 10631120), (180, 10099564), (190, 9568008), (204, 8911380), (228, 7973340), (240, 7574673), (255, 7129104), (272, 6683535), (285, 6378672), (304, 5980005), (306, 5940920), (323, 5628240), (340, 5346828), (342, 5315560), (360, 5049782), (380, 4784004), (408, 4455690), (456, 3986670), (510, 3564552), (570, 3189336), (612, 2970460), (646, 2814120), (680, 2673414), (684, 2657780), (720, 2524891), (760, 2392002), (765, 2376368), (816, 2227845), (855, 2126224), (912, 1993335), (969, 1876080), (1020, 1782276), (1140, 1594668), (1224, 1485230), (1292, 1407060), (1360, 1336707), (1368, 1328890), (1520, 1196001), (1530, 1188184), (1615, 1125648), (1710, 1063112), (1938, 938040), (2040, 891138), (2280, 797334), (2448, 742615), (2584, 703530), (2736, 664445), (2907, 625360), (3060, 594092), (3230, 562824), (3420, 531556), (3876, 469020), (4080, 445569), (4560, 398667), (4845, 375216), (5168, 351765), (5814, 312680), (6120, 297046), (6460, 281412), (6840, 265778), (7752, 234510), (7817, 232560), (9690, 187608), (11628, 156340), (12240, 148523), (12920, 140706), (13680, 132889), (14535, 125072), (15504, 117255), (15634, 116280), (19380, 93804), (23256, 78170), (23451, 77520), (25840, 70353), (29070, 62536), (31268, 58140), (38760, 46902), (39085, 46512)]