68413280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1120

約数の個数: 96

約数和(自身を含む): 179843328

約数和(自身を除く): 111430048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1061, 1240, 1612, 2015, 2080, 2122, 2480, 3224, 4030, 4244, 4960, 5305, 6448, 8060, 8488, 10610, 12896, 13793, 16120, 16976, 21220, 27586, 32240, 32891, 33952, 42440, 55172, 64480, 65782, 68965, 84880, 110344, 131564, 137930, 164455, 169760, 220688, 263128, 275860, 328910, 427583, 441376, 526256, 551720, 657820, 855166, 1052512, 1103440, 1315640, 1710332, 2137915, 2206880, 2631280, 3420664, 4275830, 5262560, 6841328, 8551660, 13682656, 17103320, 34206640, 68413280]

約数ペア:

[(1, 68413280), (2, 34206640), (4, 17103320), (5, 13682656), (8, 8551660), (10, 6841328), (13, 5262560), (16, 4275830), (20, 3420664), (26, 2631280), (31, 2206880), (32, 2137915), (40, 1710332), (52, 1315640), (62, 1103440), (65, 1052512), (80, 855166), (104, 657820), (124, 551720), (130, 526256), (155, 441376), (160, 427583), (208, 328910), (248, 275860), (260, 263128), (310, 220688), (403, 169760), (416, 164455), (496, 137930), (520, 131564), (620, 110344), (806, 84880), (992, 68965), (1040, 65782), (1061, 64480), (1240, 55172), (1612, 42440), (2015, 33952), (2080, 32891), (2122, 32240), (2480, 27586), (3224, 21220), (4030, 16976), (4244, 16120), (4960, 13793), (5305, 12896), (6448, 10610), (8060, 8488)]