81043600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 215602272

約数和(自身を除く): 134558672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 113, 163, 176, 200, 220, 226, 275, 326, 400, 440, 452, 550, 565, 652, 815, 880, 904, 1100, 1130, 1243, 1304, 1630, 1793, 1808, 2200, 2260, 2486, 2608, 2825, 3260, 3586, 4075, 4400, 4520, 4972, 5650, 6215, 6520, 7172, 8150, 8965, 9040, 9944, 11300, 12430, 13040, 14344, 16300, 17930, 18419, 19888, 22600, 24860, 28688, 31075, 32600, 35860, 36838, 44825, 45200, 49720, 62150, 65200, 71720, 73676, 89650, 92095, 99440, 124300, 143440, 147352, 179300, 184190, 202609, 248600, 294704, 358600, 368380, 405218, 460475, 497200, 717200, 736760, 810436, 920950, 1013045, 1473520, 1620872, 1841900, 2026090, 3241744, 3683800, 4052180, 5065225, 7367600, 8104360, 10130450, 16208720, 20260900, 40521800, 81043600]

約数ペア:

[(1, 81043600), (2, 40521800), (4, 20260900), (5, 16208720), (8, 10130450), (10, 8104360), (11, 7367600), (16, 5065225), (20, 4052180), (22, 3683800), (25, 3241744), (40, 2026090), (44, 1841900), (50, 1620872), (55, 1473520), (80, 1013045), (88, 920950), (100, 810436), (110, 736760), (113, 717200), (163, 497200), (176, 460475), (200, 405218), (220, 368380), (226, 358600), (275, 294704), (326, 248600), (400, 202609), (440, 184190), (452, 179300), (550, 147352), (565, 143440), (652, 124300), (815, 99440), (880, 92095), (904, 89650), (1100, 73676), (1130, 71720), (1243, 65200), (1304, 62150), (1630, 49720), (1793, 45200), (1808, 44825), (2200, 36838), (2260, 35860), (2486, 32600), (2608, 31075), (2825, 28688), (3260, 24860), (3586, 22600), (4075, 19888), (4400, 18419), (4520, 17930), (4972, 16300), (5650, 14344), (6215, 13040), (6520, 12430), (7172, 11300), (8150, 9944), (8965, 9040)]