256856702960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{20029}}^1$

素因数の和:20144

約数の個数: 320

約数和(自身を含む): 751076928000

約数和(自身を除く): 494220225040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 59, 65, 76, 80, 88, 95, 104, 110, 118, 130, 143, 152, 176, 190, 208, 209, 220, 236, 247, 260, 286, 295, 304, 380, 418, 440, 472, 494, 520, 572, 590, 649, 715, 760, 767, 836, 880, 944, 988, 1040, 1045, 1121, 1144, 1180, 1235, 1298, 1430, 1520, 1534, 1672, 1976, 2090, 2242, 2288, 2360, 2470, 2596, 2717, 2860, 3068, 3245, 3344, 3835, 3952, 4180, 4484, 4720, 4940, 5192, 5434, 5605, 5720, 6136, 6490, 7670, 8360, 8437, 8968, 9880, 10384, 10868, 11210, 11440, 12272, 12331, 12980, 13585, 14573, 15340, 16720, 16874, 17936, 19760, 20029, 21736, 22420, 24662, 25960, 27170, 29146, 30680, 33748, 40058, 42185, 43472, 44840, 49324, 51920, 54340, 58292, 61360, 61655, 67496, 72865, 80116, 84370, 89680, 98648, 100145, 108680, 116584, 123310, 134992, 145730, 160232, 160303, 168740, 197296, 200290, 217360, 220319, 233168, 246620, 260377, 291460, 320464, 320606, 337480, 380551, 400580, 440638, 493240, 520754, 582920, 641212, 674960, 761102, 801160, 801515, 881276, 986480, 1041508, 1101595, 1165840, 1181711, 1282424, 1301885, 1522204, 1602320, 1603030, 1762552, 1902755, 2083016, 2203190, 2363422, 2564848, 2603770, 2864147, 3044408, 3206060, 3525104, 3805510, 4166032, 4186061, 4406380, 4726844, 4947163, 5207540, 5728294, 5908555, 6088816, 6412120, 7611020, 8372122, 8812760, 9453688, 9894326, 10415080, 11456588, 11817110, 12824240, 12998821, 14320735, 15222040, 15362243, 16744244, 17625520, 18907376, 19788652, 20830160, 20930305, 22452509, 22913176, 23634220, 24735815, 25997642, 28641470, 30444080, 30724486, 33488488, 39577304, 41860610, 44905018, 45826352, 47268440, 49471630, 51995284, 54418793, 57282940, 61448972, 64994105, 66976976, 76811215, 79154608, 83721220, 89810036, 94536880, 98943260, 103990568, 108837586, 112262545, 114565880, 122897944, 129988210, 153622430, 167442440, 168984673, 179620072, 197886520, 207981136, 217675172, 224525090, 229131760, 245795888, 246977599, 259976420, 272093965, 291882617, 307244860, 334884880, 337969346, 359240144, 395773040, 435350344, 449050180, 493955198, 519952840, 544187930, 583765234, 614489720, 675938692, 844923365, 870700688, 898100360, 987910396, 1039905680, 1088375860, 1167530468, 1228979440, 1234887995, 1351877384, 1459413085, 1689846730, 1796200720, 1975820792, 2176751720, 2335060936, 2469775990, 2703754768, 2918826170, 3210708787, 3379693460, 3951641584, 4353503440, 4670121872, 4939551980, 5837652340, 6421417574, 6759386920, 9879103960, 11675304680, 12842835148, 13518773840, 16053543935, 19758207920, 23350609360, 25685670296, 32107087870, 51371340592, 64214175740, 128428351480, 256856702960]

約数ペア:

[(1, 256856702960), (2, 128428351480), (4, 64214175740), (5, 51371340592), (8, 32107087870), (10, 25685670296), (11, 23350609360), (13, 19758207920), (16, 16053543935), (19, 13518773840), (20, 12842835148), (22, 11675304680), (26, 9879103960), (38, 6759386920), (40, 6421417574), (44, 5837652340), (52, 4939551980), (55, 4670121872), (59, 4353503440), (65, 3951641584), (76, 3379693460), (80, 3210708787), (88, 2918826170), (95, 2703754768), (104, 2469775990), (110, 2335060936), (118, 2176751720), (130, 1975820792), (143, 1796200720), (152, 1689846730), (176, 1459413085), (190, 1351877384), (208, 1234887995), (209, 1228979440), (220, 1167530468), (236, 1088375860), (247, 1039905680), (260, 987910396), (286, 898100360), (295, 870700688), (304, 844923365), (380, 675938692), (418, 614489720), (440, 583765234), (472, 544187930), (494, 519952840), (520, 493955198), (572, 449050180), (590, 435350344), (649, 395773040), (715, 359240144), (760, 337969346), (767, 334884880), (836, 307244860), (880, 291882617), (944, 272093965), (988, 259976420), (1040, 246977599), (1045, 245795888), (1121, 229131760), (1144, 224525090), (1180, 217675172), (1235, 207981136), (1298, 197886520), (1430, 179620072), (1520, 168984673), (1534, 167442440), (1672, 153622430), (1976, 129988210), (2090, 122897944), (2242, 114565880), (2288, 112262545), (2360, 108837586), (2470, 103990568), (2596, 98943260), (2717, 94536880), (2860, 89810036), (3068, 83721220), (3245, 79154608), (3344, 76811215), (3835, 66976976), (3952, 64994105), (4180, 61448972), (4484, 57282940), (4720, 54418793), (4940, 51995284), (5192, 49471630), (5434, 47268440), (5605, 45826352), (5720, 44905018), (6136, 41860610), (6490, 39577304), (7670, 33488488), (8360, 30724486), (8437, 30444080), (8968, 28641470), (9880, 25997642), (10384, 24735815), (10868, 23634220), (11210, 22913176), (11440, 22452509), (12272, 20930305), (12331, 20830160), (12980, 19788652), (13585, 18907376), (14573, 17625520), (15340, 16744244), (16720, 15362243), (16874, 15222040), (17936, 14320735), (19760, 12998821), (20029, 12824240), (21736, 11817110), (22420, 11456588), (24662, 10415080), (25960, 9894326), (27170, 9453688), (29146, 8812760), (30680, 8372122), (33748, 7611020), (40058, 6412120), (42185, 6088816), (43472, 5908555), (44840, 5728294), (49324, 5207540), (51920, 4947163), (54340, 4726844), (58292, 4406380), (61360, 4186061), (61655, 4166032), (67496, 3805510), (72865, 3525104), (80116, 3206060), (84370, 3044408), (89680, 2864147), (98648, 2603770), (100145, 2564848), (108680, 2363422), (116584, 2203190), (123310, 2083016), (134992, 1902755), (145730, 1762552), (160232, 1603030), (160303, 1602320), (168740, 1522204), (197296, 1301885), (200290, 1282424), (217360, 1181711), (220319, 1165840), (233168, 1101595), (246620, 1041508), (260377, 986480), (291460, 881276), (320464, 801515), (320606, 801160), (337480, 761102), (380551, 674960), (400580, 641212), (440638, 582920), (493240, 520754)]