168281920

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:348

約数の個数: 112

約数和(自身を含む): 420093648

約数和(自身を除く): 251811728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 64, 74, 80, 122, 148, 160, 185, 233, 244, 296, 305, 320, 370, 466, 488, 592, 610, 740, 932, 976, 1165, 1184, 1220, 1480, 1864, 1952, 2257, 2330, 2368, 2440, 2960, 3728, 3904, 4514, 4660, 4880, 5920, 7456, 8621, 9028, 9320, 9760, 11285, 11840, 14213, 14912, 17242, 18056, 18640, 19520, 22570, 28426, 34484, 36112, 37280, 43105, 45140, 56852, 68968, 71065, 72224, 74560, 86210, 90280, 113704, 137936, 142130, 144448, 172420, 180560, 227408, 275872, 284260, 344840, 361120, 454816, 525881, 551744, 568520, 689680, 722240, 909632, 1051762, 1137040, 1379360, 2103524, 2274080, 2629405, 2758720, 4207048, 4548160, 5258810, 8414096, 10517620, 16828192, 21035240, 33656384, 42070480, 84140960, 168281920]

約数ペア:

[(1, 168281920), (2, 84140960), (4, 42070480), (5, 33656384), (8, 21035240), (10, 16828192), (16, 10517620), (20, 8414096), (32, 5258810), (37, 4548160), (40, 4207048), (61, 2758720), (64, 2629405), (74, 2274080), (80, 2103524), (122, 1379360), (148, 1137040), (160, 1051762), (185, 909632), (233, 722240), (244, 689680), (296, 568520), (305, 551744), (320, 525881), (370, 454816), (466, 361120), (488, 344840), (592, 284260), (610, 275872), (740, 227408), (932, 180560), (976, 172420), (1165, 144448), (1184, 142130), (1220, 137936), (1480, 113704), (1864, 90280), (1952, 86210), (2257, 74560), (2330, 72224), (2368, 71065), (2440, 68968), (2960, 56852), (3728, 45140), (3904, 43105), (4514, 37280), (4660, 36112), (4880, 34484), (5920, 28426), (7456, 22570), (8621, 19520), (9028, 18640), (9320, 18056), (9760, 17242), (11285, 14912), (11840, 14213)]