421258320

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 400

約数和(自身を含む): 1724139648

約数和(自身を除く): 1302881328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 74, 80, 81, 84, 90, 105, 108, 111, 112, 120, 126, 135, 140, 144, 148, 162, 168, 180, 185, 189, 210, 216, 222, 240, 251, 252, 259, 270, 280, 296, 315, 324, 333, 336, 360, 370, 378, 405, 420, 432, 444, 502, 504, 518, 540, 555, 560, 567, 592, 630, 648, 666, 720, 740, 753, 756, 777, 810, 840, 888, 945, 999, 1004, 1008, 1036, 1080, 1110, 1134, 1255, 1260, 1295, 1296, 1332, 1480, 1506, 1512, 1554, 1620, 1665, 1680, 1757, 1776, 1890, 1998, 2008, 2072, 2160, 2220, 2259, 2268, 2331, 2510, 2520, 2590, 2664, 2835, 2960, 2997, 3012, 3024, 3108, 3240, 3330, 3514, 3765, 3780, 3885, 3996, 4016, 4144, 4440, 4518, 4536, 4662, 4995, 5020, 5040, 5180, 5271, 5328, 5670, 5994, 6024, 6216, 6480, 6660, 6777, 6993, 7028, 7530, 7560, 7770, 7992, 8785, 8880, 9036, 9072, 9287, 9324, 9990, 10040, 10360, 10542, 11295, 11340, 11655, 11988, 12048, 12432, 13320, 13554, 13986, 14056, 14985, 15060, 15120, 15540, 15813, 15984, 17570, 18072, 18574, 18648, 19980, 20080, 20331, 20720, 20979, 21084, 22590, 22680, 23310, 23976, 26355, 26640, 27108, 27861, 27972, 28112, 29970, 30120, 31080, 31626, 33885, 34965, 35140, 36144, 37148, 37296, 39960, 40662, 41958, 42168, 45180, 45360, 46435, 46620, 47439, 47952, 52710, 54216, 55722, 55944, 59940, 60240, 62160, 63252, 65009, 67770, 69930, 70280, 74296, 79065, 79920, 81324, 83583, 83916, 84336, 90360, 92870, 93240, 94878, 101655, 104895, 105420, 108432, 111444, 111888, 119880, 126504, 130018, 135540, 139305, 139860, 140560, 142317, 148592, 158130, 162648, 167166, 167832, 180720, 185740, 186480, 189756, 195027, 203310, 209790, 210840, 222888, 237195, 239760, 250749, 253008, 260036, 271080, 278610, 279720, 284634, 316260, 325045, 325296, 334332, 335664, 371480, 379512, 390054, 406620, 417915, 419580, 421680, 445776, 474390, 501498, 520072, 542160, 557220, 559440, 569268, 585081, 632520, 650090, 668664, 711585, 742960, 752247, 759024, 780108, 813240, 835830, 839160, 948780, 975135, 1002996, 1040144, 1114440, 1138536, 1170162, 1253745, 1265040, 1300180, 1337328, 1423170, 1504494, 1560216, 1626480, 1671660, 1678320, 1755243, 1897560, 1950270, 2005992, 2228880, 2277072, 2340324, 2507490, 2600360, 2846340, 2925405, 3008988, 3120432, 3343320, 3510486, 3761235, 3795120, 3900540, 4011984, 4680648, 5014980, 5200720, 5265729, 5692680, 5850810, 6017976, 6686640, 7020972, 7522470, 7801080, 8776215, 9361296, 10029960, 10531458, 11385360, 11701620, 12035952, 14041944, 15044940, 15602160, 17552430, 20059920, 21062916, 23403240, 26328645, 28083888, 30089880, 35104860, 42125832, 46806480, 52657290, 60179760, 70209720, 84251664, 105314580, 140419440, 210629160, 421258320]

約数ペア:

[(1, 421258320), (2, 210629160), (3, 140419440), (4, 105314580), (5, 84251664), (6, 70209720), (7, 60179760), (8, 52657290), (9, 46806480), (10, 42125832), (12, 35104860), (14, 30089880), (15, 28083888), (16, 26328645), (18, 23403240), (20, 21062916), (21, 20059920), (24, 17552430), (27, 15602160), (28, 15044940), (30, 14041944), (35, 12035952), (36, 11701620), (37, 11385360), (40, 10531458), (42, 10029960), (45, 9361296), (48, 8776215), (54, 7801080), (56, 7522470), (60, 7020972), (63, 6686640), (70, 6017976), (72, 5850810), (74, 5692680), (80, 5265729), (81, 5200720), (84, 5014980), (90, 4680648), (105, 4011984), (108, 3900540), (111, 3795120), (112, 3761235), (120, 3510486), (126, 3343320), (135, 3120432), (140, 3008988), (144, 2925405), (148, 2846340), (162, 2600360), (168, 2507490), (180, 2340324), (185, 2277072), (189, 2228880), (210, 2005992), (216, 1950270), (222, 1897560), (240, 1755243), (251, 1678320), (252, 1671660), (259, 1626480), (270, 1560216), (280, 1504494), (296, 1423170), (315, 1337328), (324, 1300180), (333, 1265040), (336, 1253745), (360, 1170162), (370, 1138536), (378, 1114440), (405, 1040144), (420, 1002996), (432, 975135), (444, 948780), (502, 839160), (504, 835830), (518, 813240), (540, 780108), (555, 759024), (560, 752247), (567, 742960), (592, 711585), (630, 668664), (648, 650090), (666, 632520), (720, 585081), (740, 569268), (753, 559440), (756, 557220), (777, 542160), (810, 520072), (840, 501498), (888, 474390), (945, 445776), (999, 421680), (1004, 419580), (1008, 417915), (1036, 406620), (1080, 390054), (1110, 379512), (1134, 371480), (1255, 335664), (1260, 334332), (1295, 325296), (1296, 325045), (1332, 316260), (1480, 284634), (1506, 279720), (1512, 278610), (1554, 271080), (1620, 260036), (1665, 253008), (1680, 250749), (1757, 239760), (1776, 237195), (1890, 222888), (1998, 210840), (2008, 209790), (2072, 203310), (2160, 195027), (2220, 189756), (2259, 186480), (2268, 185740), (2331, 180720), (2510, 167832), (2520, 167166), (2590, 162648), (2664, 158130), (2835, 148592), (2960, 142317), (2997, 140560), (3012, 139860), (3024, 139305), (3108, 135540), (3240, 130018), (3330, 126504), (3514, 119880), (3765, 111888), (3780, 111444), (3885, 108432), (3996, 105420), (4016, 104895), (4144, 101655), (4440, 94878), (4518, 93240), (4536, 92870), (4662, 90360), (4995, 84336), (5020, 83916), (5040, 83583), (5180, 81324), (5271, 79920), (5328, 79065), (5670, 74296), (5994, 70280), (6024, 69930), (6216, 67770), (6480, 65009), (6660, 63252), (6777, 62160), (6993, 60240), (7028, 59940), (7530, 55944), (7560, 55722), (7770, 54216), (7992, 52710), (8785, 47952), (8880, 47439), (9036, 46620), (9072, 46435), (9287, 45360), (9324, 45180), (9990, 42168), (10040, 41958), (10360, 40662), (10542, 39960), (11295, 37296), (11340, 37148), (11655, 36144), (11988, 35140), (12048, 34965), (12432, 33885), (13320, 31626), (13554, 31080), (13986, 30120), (14056, 29970), (14985, 28112), (15060, 27972), (15120, 27861), (15540, 27108), (15813, 26640), (15984, 26355), (17570, 23976), (18072, 23310), (18574, 22680), (18648, 22590), (19980, 21084), (20080, 20979), (20331, 20720)]