87656360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 227525760

約数和(自身を除く): 139869400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 43, 44, 55, 82, 86, 88, 110, 113, 164, 172, 205, 215, 220, 226, 328, 344, 410, 430, 440, 451, 452, 473, 565, 820, 860, 902, 904, 946, 1130, 1243, 1640, 1720, 1763, 1804, 1892, 2255, 2260, 2365, 2486, 3526, 3608, 3784, 4510, 4520, 4633, 4730, 4859, 4972, 6215, 7052, 8815, 9020, 9266, 9460, 9718, 9944, 12430, 14104, 17630, 18040, 18532, 18920, 19393, 19436, 23165, 24295, 24860, 35260, 37064, 38786, 38872, 46330, 48590, 49720, 50963, 53449, 70520, 77572, 92660, 96965, 97180, 101926, 106898, 155144, 185320, 193930, 194360, 199219, 203852, 213796, 254815, 267245, 387860, 398438, 407704, 427592, 509630, 534490, 775720, 796876, 996095, 1019260, 1068980, 1593752, 1992190, 2038520, 2137960, 2191409, 3984380, 4382818, 7968760, 8765636, 10957045, 17531272, 21914090, 43828180, 87656360]

約数ペア:

[(1, 87656360), (2, 43828180), (4, 21914090), (5, 17531272), (8, 10957045), (10, 8765636), (11, 7968760), (20, 4382818), (22, 3984380), (40, 2191409), (41, 2137960), (43, 2038520), (44, 1992190), (55, 1593752), (82, 1068980), (86, 1019260), (88, 996095), (110, 796876), (113, 775720), (164, 534490), (172, 509630), (205, 427592), (215, 407704), (220, 398438), (226, 387860), (328, 267245), (344, 254815), (410, 213796), (430, 203852), (440, 199219), (451, 194360), (452, 193930), (473, 185320), (565, 155144), (820, 106898), (860, 101926), (902, 97180), (904, 96965), (946, 92660), (1130, 77572), (1243, 70520), (1640, 53449), (1720, 50963), (1763, 49720), (1804, 48590), (1892, 46330), (2255, 38872), (2260, 38786), (2365, 37064), (2486, 35260), (3526, 24860), (3608, 24295), (3784, 23165), (4510, 19436), (4520, 19393), (4633, 18920), (4730, 18532), (4859, 18040), (4972, 17630), (6215, 14104), (7052, 12430), (8815, 9944), (9020, 9718), (9266, 9460)]