77643280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:665

約数の個数: 120

約数和(自身を含む): 214033176

約数和(自身を除く): 136389896

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 242, 260, 286, 440, 484, 520, 572, 605, 617, 715, 880, 968, 1040, 1144, 1210, 1234, 1430, 1573, 1936, 2288, 2420, 2468, 2860, 3085, 3146, 4840, 4936, 5720, 6170, 6292, 6787, 7865, 8021, 9680, 9872, 11440, 12340, 12584, 13574, 15730, 16042, 24680, 25168, 27148, 31460, 32084, 33935, 40105, 49360, 54296, 62920, 64168, 67870, 74657, 80210, 88231, 108592, 125840, 128336, 135740, 149314, 160420, 176462, 271480, 298628, 320840, 352924, 373285, 441155, 542960, 597256, 641680, 705848, 746570, 882310, 970541, 1194512, 1411696, 1493140, 1764620, 1941082, 2986280, 3529240, 3882164, 4852705, 5972560, 7058480, 7764328, 9705410, 15528656, 19410820, 38821640, 77643280]

約数ペア:

[(1, 77643280), (2, 38821640), (4, 19410820), (5, 15528656), (8, 9705410), (10, 7764328), (11, 7058480), (13, 5972560), (16, 4852705), (20, 3882164), (22, 3529240), (26, 2986280), (40, 1941082), (44, 1764620), (52, 1493140), (55, 1411696), (65, 1194512), (80, 970541), (88, 882310), (104, 746570), (110, 705848), (121, 641680), (130, 597256), (143, 542960), (176, 441155), (208, 373285), (220, 352924), (242, 320840), (260, 298628), (286, 271480), (440, 176462), (484, 160420), (520, 149314), (572, 135740), (605, 128336), (617, 125840), (715, 108592), (880, 88231), (968, 80210), (1040, 74657), (1144, 67870), (1210, 64168), (1234, 62920), (1430, 54296), (1573, 49360), (1936, 40105), (2288, 33935), (2420, 32084), (2468, 31460), (2860, 27148), (3085, 25168), (3146, 24680), (4840, 16042), (4936, 15730), (5720, 13574), (6170, 12584), (6292, 12340), (6787, 11440), (7865, 9872), (8021, 9680)]