421181280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:334

約数の個数: 288

約数和(自身を含む): 1568548800

約数和(自身を除く): 1147367520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 149, 151, 156, 160, 180, 195, 208, 234, 240, 260, 288, 298, 302, 312, 360, 390, 416, 447, 453, 468, 480, 520, 585, 596, 604, 624, 720, 745, 755, 780, 894, 906, 936, 1040, 1170, 1192, 1208, 1248, 1341, 1359, 1440, 1490, 1510, 1560, 1788, 1812, 1872, 1937, 1963, 2080, 2235, 2265, 2340, 2384, 2416, 2682, 2718, 2980, 3020, 3120, 3576, 3624, 3744, 3874, 3926, 4470, 4530, 4680, 4768, 4832, 5364, 5436, 5811, 5889, 5960, 6040, 6240, 6705, 6795, 7152, 7248, 7748, 7852, 8940, 9060, 9360, 9685, 9815, 10728, 10872, 11622, 11778, 11920, 12080, 13410, 13590, 14304, 14496, 15496, 15704, 17433, 17667, 17880, 18120, 18720, 19370, 19630, 21456, 21744, 22499, 23244, 23556, 23840, 24160, 26820, 27180, 29055, 29445, 30992, 31408, 34866, 35334, 35760, 36240, 38740, 39260, 42912, 43488, 44998, 46488, 47112, 53640, 54360, 58110, 58890, 61984, 62816, 67497, 69732, 70668, 71520, 72480, 77480, 78520, 87165, 88335, 89996, 92976, 94224, 107280, 108720, 112495, 116220, 117780, 134994, 139464, 141336, 154960, 157040, 174330, 176670, 179992, 185952, 188448, 202491, 214560, 217440, 224990, 232440, 235560, 269988, 278928, 282672, 292487, 309920, 314080, 337485, 348660, 353340, 359984, 404982, 449980, 464880, 471120, 539976, 557856, 565344, 584974, 674970, 697320, 706680, 719968, 809964, 877461, 899960, 929760, 942240, 1012455, 1079952, 1169948, 1349940, 1394640, 1413360, 1462435, 1619928, 1754922, 1799920, 2024910, 2159904, 2339896, 2632383, 2699880, 2789280, 2826720, 2924870, 3239856, 3509844, 3599840, 4049820, 4387305, 4679792, 5264766, 5399760, 5849740, 6479712, 7019688, 8099640, 8774610, 9359584, 10529532, 10799520, 11699480, 13161915, 14039376, 16199280, 17549220, 21059064, 23398960, 26323830, 28078752, 32398560, 35098440, 42118128, 46797920, 52647660, 70196880, 84236256, 105295320, 140393760, 210590640, 421181280]

約数ペア:

[(1, 421181280), (2, 210590640), (3, 140393760), (4, 105295320), (5, 84236256), (6, 70196880), (8, 52647660), (9, 46797920), (10, 42118128), (12, 35098440), (13, 32398560), (15, 28078752), (16, 26323830), (18, 23398960), (20, 21059064), (24, 17549220), (26, 16199280), (30, 14039376), (32, 13161915), (36, 11699480), (39, 10799520), (40, 10529532), (45, 9359584), (48, 8774610), (52, 8099640), (60, 7019688), (65, 6479712), (72, 5849740), (78, 5399760), (80, 5264766), (90, 4679792), (96, 4387305), (104, 4049820), (117, 3599840), (120, 3509844), (130, 3239856), (144, 2924870), (149, 2826720), (151, 2789280), (156, 2699880), (160, 2632383), (180, 2339896), (195, 2159904), (208, 2024910), (234, 1799920), (240, 1754922), (260, 1619928), (288, 1462435), (298, 1413360), (302, 1394640), (312, 1349940), (360, 1169948), (390, 1079952), (416, 1012455), (447, 942240), (453, 929760), (468, 899960), (480, 877461), (520, 809964), (585, 719968), (596, 706680), (604, 697320), (624, 674970), (720, 584974), (745, 565344), (755, 557856), (780, 539976), (894, 471120), (906, 464880), (936, 449980), (1040, 404982), (1170, 359984), (1192, 353340), (1208, 348660), (1248, 337485), (1341, 314080), (1359, 309920), (1440, 292487), (1490, 282672), (1510, 278928), (1560, 269988), (1788, 235560), (1812, 232440), (1872, 224990), (1937, 217440), (1963, 214560), (2080, 202491), (2235, 188448), (2265, 185952), (2340, 179992), (2384, 176670), (2416, 174330), (2682, 157040), (2718, 154960), (2980, 141336), (3020, 139464), (3120, 134994), (3576, 117780), (3624, 116220), (3744, 112495), (3874, 108720), (3926, 107280), (4470, 94224), (4530, 92976), (4680, 89996), (4768, 88335), (4832, 87165), (5364, 78520), (5436, 77480), (5811, 72480), (5889, 71520), (5960, 70668), (6040, 69732), (6240, 67497), (6705, 62816), (6795, 61984), (7152, 58890), (7248, 58110), (7748, 54360), (7852, 53640), (8940, 47112), (9060, 46488), (9360, 44998), (9685, 43488), (9815, 42912), (10728, 39260), (10872, 38740), (11622, 36240), (11778, 35760), (11920, 35334), (12080, 34866), (13410, 31408), (13590, 30992), (14304, 29445), (14496, 29055), (15496, 27180), (15704, 26820), (17433, 24160), (17667, 23840), (17880, 23556), (18120, 23244), (18720, 22499), (19370, 21744), (19630, 21456)]