68302640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5303}}^1$

素因数の和:5346

約数の個数: 80

約数和(自身を含む): 189416448

約数和(自身を除く): 121113808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5303, 6440, 10606, 12880, 21212, 26515, 37121, 42424, 53030, 74242, 84848, 106060, 121969, 148484, 185605, 212120, 243938, 296968, 371210, 424240, 487876, 593936, 609845, 742420, 853783, 975752, 1219690, 1484840, 1707566, 1951504, 2439380, 2969680, 3415132, 4268915, 4878760, 6830264, 8537830, 9757520, 13660528, 17075660, 34151320, 68302640]

約数ペア:

[(1, 68302640), (2, 34151320), (4, 17075660), (5, 13660528), (7, 9757520), (8, 8537830), (10, 6830264), (14, 4878760), (16, 4268915), (20, 3415132), (23, 2969680), (28, 2439380), (35, 1951504), (40, 1707566), (46, 1484840), (56, 1219690), (70, 975752), (80, 853783), (92, 742420), (112, 609845), (115, 593936), (140, 487876), (161, 424240), (184, 371210), (230, 296968), (280, 243938), (322, 212120), (368, 185605), (460, 148484), (560, 121969), (644, 106060), (805, 84848), (920, 74242), (1288, 53030), (1610, 42424), (1840, 37121), (2576, 26515), (3220, 21212), (5303, 12880), (6440, 10606)]