79976340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 243323808

約数和(自身を除く): 163347468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 643, 691, 1286, 1382, 1929, 2073, 2572, 2764, 3215, 3455, 3858, 4146, 5787, 6219, 6430, 6910, 7716, 8292, 9645, 10365, 11574, 12438, 12860, 13820, 19290, 20730, 23148, 24876, 28935, 31095, 38580, 41460, 57870, 62190, 115740, 124380, 444313, 888626, 1332939, 1777252, 2221565, 2665878, 3998817, 4443130, 5331756, 6664695, 7997634, 8886260, 13329390, 15995268, 19994085, 26658780, 39988170, 79976340]

約数ペア:

[(1, 79976340), (2, 39988170), (3, 26658780), (4, 19994085), (5, 15995268), (6, 13329390), (9, 8886260), (10, 7997634), (12, 6664695), (15, 5331756), (18, 4443130), (20, 3998817), (30, 2665878), (36, 2221565), (45, 1777252), (60, 1332939), (90, 888626), (180, 444313), (643, 124380), (691, 115740), (1286, 62190), (1382, 57870), (1929, 41460), (2073, 38580), (2572, 31095), (2764, 28935), (3215, 24876), (3455, 23148), (3858, 20730), (4146, 19290), (5787, 13820), (6219, 12860), (6430, 12438), (6910, 11574), (7716, 10365), (8292, 9645)]