164565760

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1549}}^1$

素因数の和:1653

約数の個数: 72

約数和(自身を含む): 399193200

約数和(自身を除く): 234627440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 830, 1280, 1328, 1549, 1660, 2656, 3098, 3320, 5312, 6196, 6640, 7745, 10624, 12392, 13280, 15490, 21248, 24784, 26560, 30980, 49568, 53120, 61960, 99136, 106240, 123920, 128567, 198272, 247840, 257134, 396544, 495680, 514268, 642835, 991360, 1028536, 1285670, 1982720, 2057072, 2571340, 4114144, 5142680, 8228288, 10285360, 16456576, 20570720, 32913152, 41141440, 82282880, 164565760]

約数ペア:

[(1, 164565760), (2, 82282880), (4, 41141440), (5, 32913152), (8, 20570720), (10, 16456576), (16, 10285360), (20, 8228288), (32, 5142680), (40, 4114144), (64, 2571340), (80, 2057072), (83, 1982720), (128, 1285670), (160, 1028536), (166, 991360), (256, 642835), (320, 514268), (332, 495680), (415, 396544), (640, 257134), (664, 247840), (830, 198272), (1280, 128567), (1328, 123920), (1549, 106240), (1660, 99136), (2656, 61960), (3098, 53120), (3320, 49568), (5312, 30980), (6196, 26560), (6640, 24784), (7745, 21248), (10624, 15490), (12392, 13280)]