215661888

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:461

約数の個数: 168

約数和(自身を含む): 675668448

約数和(自身を除く): 460006560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 83, 96, 104, 117, 144, 156, 166, 192, 208, 234, 249, 288, 312, 332, 347, 416, 468, 498, 576, 624, 664, 694, 747, 832, 936, 996, 1041, 1079, 1248, 1328, 1388, 1494, 1872, 1992, 2082, 2158, 2496, 2656, 2776, 2988, 3123, 3237, 3744, 3984, 4164, 4316, 4511, 5312, 5552, 5976, 6246, 6474, 7488, 7968, 8328, 8632, 9022, 9711, 11104, 11952, 12492, 12948, 13533, 15936, 16656, 17264, 18044, 19422, 22208, 23904, 24984, 25896, 27066, 28801, 33312, 34528, 36088, 38844, 40599, 47808, 49968, 51792, 54132, 57602, 66624, 69056, 72176, 77688, 81198, 86403, 99936, 103584, 108264, 115204, 144352, 155376, 162396, 172806, 199872, 207168, 216528, 230408, 259209, 288704, 310752, 324792, 345612, 374413, 433056, 460816, 518418, 621504, 649584, 691224, 748826, 866112, 921632, 1036836, 1123239, 1299168, 1382448, 1497652, 1843264, 2073672, 2246478, 2598336, 2764896, 2995304, 3369717, 4147344, 4492956, 5529792, 5990608, 6739434, 8294688, 8985912, 11981216, 13478868, 16589376, 17971824, 23962432, 26957736, 35943648, 53915472, 71887296, 107830944, 215661888]

約数ペア:

[(1, 215661888), (2, 107830944), (3, 71887296), (4, 53915472), (6, 35943648), (8, 26957736), (9, 23962432), (12, 17971824), (13, 16589376), (16, 13478868), (18, 11981216), (24, 8985912), (26, 8294688), (32, 6739434), (36, 5990608), (39, 5529792), (48, 4492956), (52, 4147344), (64, 3369717), (72, 2995304), (78, 2764896), (83, 2598336), (96, 2246478), (104, 2073672), (117, 1843264), (144, 1497652), (156, 1382448), (166, 1299168), (192, 1123239), (208, 1036836), (234, 921632), (249, 866112), (288, 748826), (312, 691224), (332, 649584), (347, 621504), (416, 518418), (468, 460816), (498, 433056), (576, 374413), (624, 345612), (664, 324792), (694, 310752), (747, 288704), (832, 259209), (936, 230408), (996, 216528), (1041, 207168), (1079, 199872), (1248, 172806), (1328, 162396), (1388, 155376), (1494, 144352), (1872, 115204), (1992, 108264), (2082, 103584), (2158, 99936), (2496, 86403), (2656, 81198), (2776, 77688), (2988, 72176), (3123, 69056), (3237, 66624), (3744, 57602), (3984, 54132), (4164, 51792), (4316, 49968), (4511, 47808), (5312, 40599), (5552, 38844), (5976, 36088), (6246, 34528), (6474, 33312), (7488, 28801), (7968, 27066), (8328, 25896), (8632, 24984), (9022, 23904), (9711, 22208), (11104, 19422), (11952, 18044), (12492, 17264), (12948, 16656), (13533, 15936)]