321040720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 320

約数和(自身を含む): 1059932160

約数和(自身を除く): 738891440

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, 176, 182, 190, 208, 209, 211, 220, 247, 260, 266, 280, 286, 304, 308, 364, 380, 385, 418, 422, 440, 455, 494, 520, 532, 560, 572, 616, 665, 715, 728, 760, 770, 836, 844, 880, 910, 988, 1001, 1040, 1045, 1055, 1064, 1144, 1232, 1235, 1330, 1430, 1456, 1463, 1477, 1520, 1540, 1672, 1688, 1729, 1820, 1976, 2002, 2090, 2110, 2128, 2288, 2321, 2470, 2660, 2717, 2743, 2860, 2926, 2954, 3080, 3344, 3376, 3458, 3640, 3952, 4004, 4009, 4180, 4220, 4642, 4940, 5005, 5320, 5434, 5486, 5720, 5852, 5908, 6160, 6916, 7280, 7315, 7385, 8008, 8018, 8360, 8440, 8645, 9284, 9880, 10010, 10640, 10868, 10972, 11440, 11605, 11704, 11816, 13585, 13715, 13832, 14630, 14770, 16016, 16036, 16247, 16720, 16880, 17290, 18568, 19019, 19201, 19760, 20020, 20045, 21736, 21944, 23210, 23408, 23632, 27170, 27430, 27664, 28063, 29260, 29540, 30173, 32072, 32494, 34580, 37136, 38038, 38402, 40040, 40090, 43472, 43888, 44099, 46420, 52117, 54340, 54860, 56126, 58520, 59080, 60346, 64144, 64988, 69160, 76076, 76804, 80080, 80180, 81235, 88198, 92840, 95095, 96005, 104234, 108680, 109720, 112252, 117040, 118160, 120692, 129976, 138320, 140315, 150865, 152152, 153608, 160360, 162470, 176396, 185680, 190190, 192010, 208468, 211211, 217360, 219440, 220495, 224504, 241384, 259952, 260585, 280630, 301730, 304304, 307216, 308693, 320720, 324940, 352792, 364819, 380380, 384020, 416936, 422422, 440990, 449008, 482768, 521170, 561260, 573287, 603460, 617386, 649880, 705584, 729638, 760760, 768040, 833872, 844844, 881980, 1042340, 1056055, 1122520, 1146574, 1206920, 1234772, 1299760, 1459276, 1521520, 1536080, 1543465, 1689688, 1763960, 1824095, 2084680, 2112110, 2245040, 2293148, 2413840, 2469544, 2866435, 2918552, 3086930, 3379376, 3527920, 3648190, 4013009, 4169360, 4224220, 4586296, 4939088, 5732870, 5837104, 6173860, 7296380, 8026018, 8448440, 9172592, 11465740, 12347720, 14592760, 16052036, 16896880, 20065045, 22931480, 24695440, 29185520, 32104072, 40130090, 45862960, 64208144, 80260180, 160520360, 321040720]

約数ペア:

[(1, 321040720), (2, 160520360), (4, 80260180), (5, 64208144), (7, 45862960), (8, 40130090), (10, 32104072), (11, 29185520), (13, 24695440), (14, 22931480), (16, 20065045), (19, 16896880), (20, 16052036), (22, 14592760), (26, 12347720), (28, 11465740), (35, 9172592), (38, 8448440), (40, 8026018), (44, 7296380), (52, 6173860), (55, 5837104), (56, 5732870), (65, 4939088), (70, 4586296), (76, 4224220), (77, 4169360), (80, 4013009), (88, 3648190), (91, 3527920), (95, 3379376), (104, 3086930), (110, 2918552), (112, 2866435), (130, 2469544), (133, 2413840), (140, 2293148), (143, 2245040), (152, 2112110), (154, 2084680), (176, 1824095), (182, 1763960), (190, 1689688), (208, 1543465), (209, 1536080), (211, 1521520), (220, 1459276), (247, 1299760), (260, 1234772), (266, 1206920), (280, 1146574), (286, 1122520), (304, 1056055), (308, 1042340), (364, 881980), (380, 844844), (385, 833872), (418, 768040), (422, 760760), (440, 729638), (455, 705584), (494, 649880), (520, 617386), (532, 603460), (560, 573287), (572, 561260), (616, 521170), (665, 482768), (715, 449008), (728, 440990), (760, 422422), (770, 416936), (836, 384020), (844, 380380), (880, 364819), (910, 352792), (988, 324940), (1001, 320720), (1040, 308693), (1045, 307216), (1055, 304304), (1064, 301730), (1144, 280630), (1232, 260585), (1235, 259952), (1330, 241384), (1430, 224504), (1456, 220495), (1463, 219440), (1477, 217360), (1520, 211211), (1540, 208468), (1672, 192010), (1688, 190190), (1729, 185680), (1820, 176396), (1976, 162470), (2002, 160360), (2090, 153608), (2110, 152152), (2128, 150865), (2288, 140315), (2321, 138320), (2470, 129976), (2660, 120692), (2717, 118160), (2743, 117040), (2860, 112252), (2926, 109720), (2954, 108680), (3080, 104234), (3344, 96005), (3376, 95095), (3458, 92840), (3640, 88198), (3952, 81235), (4004, 80180), (4009, 80080), (4180, 76804), (4220, 76076), (4642, 69160), (4940, 64988), (5005, 64144), (5320, 60346), (5434, 59080), (5486, 58520), (5720, 56126), (5852, 54860), (5908, 54340), (6160, 52117), (6916, 46420), (7280, 44099), (7315, 43888), (7385, 43472), (8008, 40090), (8018, 40040), (8360, 38402), (8440, 38038), (8645, 37136), (9284, 34580), (9880, 32494), (10010, 32072), (10640, 30173), (10868, 29540), (10972, 29260), (11440, 28063), (11605, 27664), (11704, 27430), (11816, 27170), (13585, 23632), (13715, 23408), (13832, 23210), (14630, 21944), (14770, 21736), (16016, 20045), (16036, 20020), (16247, 19760), (16720, 19201), (16880, 19019), (17290, 18568)]