77882940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5477}}^1$

素因数の和:5571

約数の個数: 72

約数和(自身を含む): 239279040

約数和(自身を除く): 161396100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 5477, 7110, 10954, 14220, 16431, 21908, 27385, 32862, 49293, 54770, 65724, 82155, 98586, 109540, 164310, 197172, 246465, 328620, 432683, 492930, 865366, 985860, 1298049, 1730732, 2163415, 2596098, 3894147, 4326830, 5192196, 6490245, 7788294, 8653660, 12980490, 15576588, 19470735, 25960980, 38941470, 77882940]

約数ペア:

[(1, 77882940), (2, 38941470), (3, 25960980), (4, 19470735), (5, 15576588), (6, 12980490), (9, 8653660), (10, 7788294), (12, 6490245), (15, 5192196), (18, 4326830), (20, 3894147), (30, 2596098), (36, 2163415), (45, 1730732), (60, 1298049), (79, 985860), (90, 865366), (158, 492930), (180, 432683), (237, 328620), (316, 246465), (395, 197172), (474, 164310), (711, 109540), (790, 98586), (948, 82155), (1185, 65724), (1422, 54770), (1580, 49293), (2370, 32862), (2844, 27385), (3555, 21908), (4740, 16431), (5477, 14220), (7110, 10954)]