238878640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 320

約数和(自身を含む): 789949440

約数和(自身を除く): 551070800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 19, 20, 22, 26, 28, 35, 38, 40, 44, 52, 55, 56, 65, 70, 76, 77, 80, 88, 91, 95, 104, 110, 112, 130, 133, 140, 143, 152, 154, 157, 176, 182, 190, 208, 209, 220, 247, 260, 266, 280, 286, 304, 308, 314, 364, 380, 385, 418, 440, 455, 494, 520, 532, 560, 572, 616, 628, 665, 715, 728, 760, 770, 785, 836, 880, 910, 988, 1001, 1040, 1045, 1064, 1099, 1144, 1232, 1235, 1256, 1330, 1430, 1456, 1463, 1520, 1540, 1570, 1672, 1727, 1729, 1820, 1976, 2002, 2041, 2090, 2128, 2198, 2288, 2470, 2512, 2660, 2717, 2860, 2926, 2983, 3080, 3140, 3344, 3454, 3458, 3640, 3952, 4004, 4082, 4180, 4396, 4940, 5005, 5320, 5434, 5495, 5720, 5852, 5966, 6160, 6280, 6908, 6916, 7280, 7315, 8008, 8164, 8360, 8635, 8645, 8792, 9880, 10010, 10205, 10640, 10868, 10990, 11440, 11704, 11932, 12089, 12560, 13585, 13816, 13832, 14287, 14630, 14915, 16016, 16328, 16720, 17270, 17290, 17584, 19019, 19760, 20020, 20410, 20881, 21736, 21980, 22451, 23408, 23864, 24178, 27170, 27632, 27664, 28574, 29260, 29830, 32656, 32813, 34540, 34580, 38038, 38779, 40040, 40820, 41762, 43472, 43960, 44902, 47728, 48356, 54340, 57148, 58520, 59660, 60445, 65626, 69080, 69160, 71435, 76076, 77558, 80080, 81640, 83524, 87920, 89804, 95095, 96712, 104405, 108680, 112255, 114296, 117040, 119320, 120890, 131252, 138160, 138320, 142870, 152152, 155116, 157157, 163280, 164065, 167048, 179608, 190190, 193424, 193895, 208810, 217360, 224510, 228592, 229691, 238640, 241780, 262504, 271453, 285740, 304304, 310232, 314314, 328130, 334096, 359216, 380380, 387790, 417620, 426569, 449020, 459382, 483560, 525008, 542906, 571480, 620464, 628628, 656260, 760760, 775580, 785785, 835240, 853138, 898040, 918764, 967120, 1085812, 1142960, 1148455, 1257256, 1312520, 1357265, 1521520, 1551160, 1571570, 1670480, 1706276, 1796080, 1837528, 2132845, 2171624, 2296910, 2514512, 2625040, 2714530, 2985983, 3102320, 3143140, 3412552, 3675056, 4265690, 4343248, 4593820, 5429060, 5971966, 6286280, 6825104, 8531380, 9187640, 10858120, 11943932, 12572560, 14929915, 17062760, 18375280, 21716240, 23887864, 29859830, 34125520, 47775728, 59719660, 119439320, 238878640]

約数ペア:

[(1, 238878640), (2, 119439320), (4, 59719660), (5, 47775728), (7, 34125520), (8, 29859830), (10, 23887864), (11, 21716240), (13, 18375280), (14, 17062760), (16, 14929915), (19, 12572560), (20, 11943932), (22, 10858120), (26, 9187640), (28, 8531380), (35, 6825104), (38, 6286280), (40, 5971966), (44, 5429060), (52, 4593820), (55, 4343248), (56, 4265690), (65, 3675056), (70, 3412552), (76, 3143140), (77, 3102320), (80, 2985983), (88, 2714530), (91, 2625040), (95, 2514512), (104, 2296910), (110, 2171624), (112, 2132845), (130, 1837528), (133, 1796080), (140, 1706276), (143, 1670480), (152, 1571570), (154, 1551160), (157, 1521520), (176, 1357265), (182, 1312520), (190, 1257256), (208, 1148455), (209, 1142960), (220, 1085812), (247, 967120), (260, 918764), (266, 898040), (280, 853138), (286, 835240), (304, 785785), (308, 775580), (314, 760760), (364, 656260), (380, 628628), (385, 620464), (418, 571480), (440, 542906), (455, 525008), (494, 483560), (520, 459382), (532, 449020), (560, 426569), (572, 417620), (616, 387790), (628, 380380), (665, 359216), (715, 334096), (728, 328130), (760, 314314), (770, 310232), (785, 304304), (836, 285740), (880, 271453), (910, 262504), (988, 241780), (1001, 238640), (1040, 229691), (1045, 228592), (1064, 224510), (1099, 217360), (1144, 208810), (1232, 193895), (1235, 193424), (1256, 190190), (1330, 179608), (1430, 167048), (1456, 164065), (1463, 163280), (1520, 157157), (1540, 155116), (1570, 152152), (1672, 142870), (1727, 138320), (1729, 138160), (1820, 131252), (1976, 120890), (2002, 119320), (2041, 117040), (2090, 114296), (2128, 112255), (2198, 108680), (2288, 104405), (2470, 96712), (2512, 95095), (2660, 89804), (2717, 87920), (2860, 83524), (2926, 81640), (2983, 80080), (3080, 77558), (3140, 76076), (3344, 71435), (3454, 69160), (3458, 69080), (3640, 65626), (3952, 60445), (4004, 59660), (4082, 58520), (4180, 57148), (4396, 54340), (4940, 48356), (5005, 47728), (5320, 44902), (5434, 43960), (5495, 43472), (5720, 41762), (5852, 40820), (5966, 40040), (6160, 38779), (6280, 38038), (6908, 34580), (6916, 34540), (7280, 32813), (7315, 32656), (8008, 29830), (8164, 29260), (8360, 28574), (8635, 27664), (8645, 27632), (8792, 27170), (9880, 24178), (10010, 23864), (10205, 23408), (10640, 22451), (10868, 21980), (10990, 21736), (11440, 20881), (11704, 20410), (11932, 20020), (12089, 19760), (12560, 19019), (13585, 17584), (13816, 17290), (13832, 17270), (14287, 16720), (14630, 16328), (14915, 16016)]