128415456

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 240

約数和(自身を含む): 421765344

約数和(自身を除く): 293349888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 37, 39, 48, 52, 54, 72, 74, 78, 81, 96, 103, 104, 108, 111, 117, 144, 148, 156, 162, 206, 208, 216, 222, 234, 288, 296, 309, 312, 324, 333, 351, 412, 416, 432, 444, 468, 481, 592, 618, 624, 648, 666, 702, 824, 864, 888, 927, 936, 962, 999, 1053, 1184, 1236, 1248, 1296, 1332, 1339, 1404, 1443, 1648, 1776, 1854, 1872, 1924, 1998, 2106, 2472, 2592, 2664, 2678, 2781, 2808, 2886, 2997, 3296, 3552, 3708, 3744, 3811, 3848, 3996, 4017, 4212, 4329, 4944, 5328, 5356, 5562, 5616, 5772, 5994, 7416, 7622, 7696, 7992, 8034, 8343, 8424, 8658, 9888, 10656, 10712, 11124, 11232, 11433, 11544, 11988, 12051, 12987, 14832, 15244, 15392, 15984, 16068, 16686, 16848, 17316, 21424, 22248, 22866, 23088, 23976, 24102, 25974, 29664, 30488, 31968, 32136, 33372, 33696, 34299, 34632, 36153, 38961, 42848, 44496, 45732, 46176, 47952, 48204, 49543, 51948, 60976, 64272, 66744, 68598, 69264, 72306, 77922, 88992, 91464, 95904, 96408, 99086, 102897, 103896, 108459, 121952, 128544, 133488, 137196, 138528, 144612, 148629, 155844, 182928, 192816, 198172, 205794, 207792, 216918, 266976, 274392, 289224, 297258, 308691, 311688, 365856, 385632, 396344, 411588, 415584, 433836, 445887, 548784, 578448, 594516, 617382, 623376, 792688, 823176, 867672, 891774, 1097568, 1156896, 1189032, 1234764, 1246752, 1337661, 1585376, 1646352, 1735344, 1783548, 2378064, 2469528, 2675322, 3292704, 3470688, 3567096, 4012983, 4756128, 4939056, 5350644, 7134192, 8025966, 9878112, 10701288, 14268384, 16051932, 21402576, 32103864, 42805152, 64207728, 128415456]

約数ペア:

[(1, 128415456), (2, 64207728), (3, 42805152), (4, 32103864), (6, 21402576), (8, 16051932), (9, 14268384), (12, 10701288), (13, 9878112), (16, 8025966), (18, 7134192), (24, 5350644), (26, 4939056), (27, 4756128), (32, 4012983), (36, 3567096), (37, 3470688), (39, 3292704), (48, 2675322), (52, 2469528), (54, 2378064), (72, 1783548), (74, 1735344), (78, 1646352), (81, 1585376), (96, 1337661), (103, 1246752), (104, 1234764), (108, 1189032), (111, 1156896), (117, 1097568), (144, 891774), (148, 867672), (156, 823176), (162, 792688), (206, 623376), (208, 617382), (216, 594516), (222, 578448), (234, 548784), (288, 445887), (296, 433836), (309, 415584), (312, 411588), (324, 396344), (333, 385632), (351, 365856), (412, 311688), (416, 308691), (432, 297258), (444, 289224), (468, 274392), (481, 266976), (592, 216918), (618, 207792), (624, 205794), (648, 198172), (666, 192816), (702, 182928), (824, 155844), (864, 148629), (888, 144612), (927, 138528), (936, 137196), (962, 133488), (999, 128544), (1053, 121952), (1184, 108459), (1236, 103896), (1248, 102897), (1296, 99086), (1332, 96408), (1339, 95904), (1404, 91464), (1443, 88992), (1648, 77922), (1776, 72306), (1854, 69264), (1872, 68598), (1924, 66744), (1998, 64272), (2106, 60976), (2472, 51948), (2592, 49543), (2664, 48204), (2678, 47952), (2781, 46176), (2808, 45732), (2886, 44496), (2997, 42848), (3296, 38961), (3552, 36153), (3708, 34632), (3744, 34299), (3811, 33696), (3848, 33372), (3996, 32136), (4017, 31968), (4212, 30488), (4329, 29664), (4944, 25974), (5328, 24102), (5356, 23976), (5562, 23088), (5616, 22866), (5772, 22248), (5994, 21424), (7416, 17316), (7622, 16848), (7696, 16686), (7992, 16068), (8034, 15984), (8343, 15392), (8424, 15244), (8658, 14832), (9888, 12987), (10656, 12051), (10712, 11988), (11124, 11544), (11232, 11433)]