320173570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 620421120

約数和(自身を除く): 300247550

約数列:

[1, 2, 5, 10, 23, 46, 67, 79, 115, 134, 158, 230, 263, 335, 395, 526, 670, 790, 1315, 1541, 1817, 2630, 3082, 3634, 5293, 6049, 7705, 9085, 10586, 12098, 15410, 17621, 18170, 20777, 26465, 30245, 35242, 41554, 52930, 60490, 88105, 103885, 121739, 176210, 207770, 243478, 405283, 477871, 608695, 810566, 955742, 1217390, 1392059, 2026415, 2389355, 2784118, 4052830, 4778710, 6960295, 13920590, 32017357, 64034714, 160086785, 320173570]

約数ペア:

[(1, 320173570), (2, 160086785), (5, 64034714), (10, 32017357), (23, 13920590), (46, 6960295), (67, 4778710), (79, 4052830), (115, 2784118), (134, 2389355), (158, 2026415), (230, 1392059), (263, 1217390), (335, 955742), (395, 810566), (526, 608695), (670, 477871), (790, 405283), (1315, 243478), (1541, 207770), (1817, 176210), (2630, 121739), (3082, 103885), (3634, 88105), (5293, 60490), (6049, 52930), (7705, 41554), (9085, 35242), (10586, 30245), (12098, 26465), (15410, 20777), (17621, 18170)]