320031918

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 724538880

約数和(自身を除く): 404506962

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 163, 206, 309, 326, 353, 489, 618, 706, 927, 978, 1059, 1467, 1854, 2118, 2781, 2934, 3177, 4401, 5562, 6354, 8802, 9531, 16789, 19062, 33578, 36359, 50367, 57539, 72718, 100734, 109077, 115078, 151101, 172617, 218154, 302202, 327231, 345234, 453303, 517851, 654462, 906606, 981693, 1035702, 1553553, 1963386, 3107106, 5926517, 11853034, 17779551, 35559102, 53338653, 106677306, 160015959, 320031918]

約数ペア:

[(1, 320031918), (2, 160015959), (3, 106677306), (6, 53338653), (9, 35559102), (18, 17779551), (27, 11853034), (54, 5926517), (103, 3107106), (163, 1963386), (206, 1553553), (309, 1035702), (326, 981693), (353, 906606), (489, 654462), (618, 517851), (706, 453303), (927, 345234), (978, 327231), (1059, 302202), (1467, 218154), (1854, 172617), (2118, 151101), (2781, 115078), (2934, 109077), (3177, 100734), (4401, 72718), (5562, 57539), (6354, 50367), (8802, 36359), (9531, 33578), (16789, 19062)]