256796280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1550

約数の個数: 192

約数和(自身を含む): 923700960

約数和(自身を除く): 666904680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 111, 117, 120, 130, 148, 156, 180, 185, 195, 222, 234, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 666, 740, 780, 888, 936, 962, 1110, 1170, 1332, 1443, 1480, 1483, 1560, 1665, 1924, 2220, 2340, 2405, 2664, 2886, 2966, 3330, 3848, 4329, 4440, 4449, 4680, 4810, 5772, 5932, 6660, 7215, 7415, 8658, 8898, 9620, 11544, 11864, 13320, 13347, 14430, 14830, 17316, 17796, 19240, 19279, 21645, 22245, 26694, 28860, 29660, 34632, 35592, 38558, 43290, 44490, 53388, 54871, 57720, 57837, 59320, 66735, 77116, 86580, 88980, 96395, 106776, 109742, 115674, 133470, 154232, 164613, 173160, 173511, 177960, 192790, 219484, 231348, 266940, 274355, 289185, 329226, 347022, 385580, 438968, 462696, 493839, 533880, 548710, 578370, 658452, 694044, 713323, 771160, 823065, 867555, 987678, 1097420, 1156740, 1316904, 1388088, 1426646, 1646130, 1735110, 1975356, 2139969, 2194840, 2313480, 2469195, 2853292, 3292260, 3470220, 3566615, 3950712, 4279938, 4938390, 5706584, 6419907, 6584520, 6940440, 7133230, 8559876, 9876780, 10699845, 12839814, 14266460, 17119752, 19753560, 21399690, 25679628, 28532920, 32099535, 42799380, 51359256, 64199070, 85598760, 128398140, 256796280]

約数ペア:

[(1, 256796280), (2, 128398140), (3, 85598760), (4, 64199070), (5, 51359256), (6, 42799380), (8, 32099535), (9, 28532920), (10, 25679628), (12, 21399690), (13, 19753560), (15, 17119752), (18, 14266460), (20, 12839814), (24, 10699845), (26, 9876780), (30, 8559876), (36, 7133230), (37, 6940440), (39, 6584520), (40, 6419907), (45, 5706584), (52, 4938390), (60, 4279938), (65, 3950712), (72, 3566615), (74, 3470220), (78, 3292260), (90, 2853292), (104, 2469195), (111, 2313480), (117, 2194840), (120, 2139969), (130, 1975356), (148, 1735110), (156, 1646130), (180, 1426646), (185, 1388088), (195, 1316904), (222, 1156740), (234, 1097420), (260, 987678), (296, 867555), (312, 823065), (333, 771160), (360, 713323), (370, 694044), (390, 658452), (444, 578370), (468, 548710), (481, 533880), (520, 493839), (555, 462696), (585, 438968), (666, 385580), (740, 347022), (780, 329226), (888, 289185), (936, 274355), (962, 266940), (1110, 231348), (1170, 219484), (1332, 192790), (1443, 177960), (1480, 173511), (1483, 173160), (1560, 164613), (1665, 154232), (1924, 133470), (2220, 115674), (2340, 109742), (2405, 106776), (2664, 96395), (2886, 88980), (2966, 86580), (3330, 77116), (3848, 66735), (4329, 59320), (4440, 57837), (4449, 57720), (4680, 54871), (4810, 53388), (5772, 44490), (5932, 43290), (6660, 38558), (7215, 35592), (7415, 34632), (8658, 29660), (8898, 28860), (9620, 26694), (11544, 22245), (11864, 21645), (13320, 19279), (13347, 19240), (14430, 17796), (14830, 17316)]