81820420560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{16883}}^1$

素因数の和:17082

約数の個数: 240

約数和(自身を含む): 282185938944

約数和(自身を除く): 200365518384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 127, 144, 159, 180, 212, 240, 254, 265, 318, 360, 381, 424, 477, 508, 530, 635, 636, 720, 762, 795, 848, 954, 1016, 1060, 1143, 1270, 1272, 1524, 1590, 1905, 1908, 2032, 2120, 2286, 2385, 2540, 2544, 3048, 3180, 3810, 3816, 4240, 4572, 4770, 5080, 5715, 6096, 6360, 6731, 7620, 7632, 9144, 9540, 10160, 11430, 12720, 13462, 15240, 16883, 18288, 19080, 20193, 22860, 26924, 30480, 33655, 33766, 38160, 40386, 45720, 50649, 53848, 60579, 67310, 67532, 80772, 84415, 91440, 100965, 101298, 107696, 121158, 134620, 135064, 151947, 161544, 168830, 201930, 202596, 242316, 253245, 269240, 270128, 302895, 303894, 323088, 337660, 403860, 405192, 484632, 506490, 538480, 605790, 607788, 675320, 759735, 807720, 810384, 894799, 969264, 1012980, 1211580, 1215576, 1350640, 1519470, 1615440, 1789598, 2025960, 2144141, 2423160, 2431152, 2684397, 3038940, 3579196, 4051920, 4288282, 4473995, 4846320, 5368794, 6077880, 6432423, 7158392, 8053191, 8576564, 8947990, 10720705, 10737588, 12155760, 12864846, 13421985, 14316784, 16106382, 17153128, 17895980, 19297269, 21441410, 21475176, 25729692, 26843970, 32162115, 32212764, 34306256, 35791960, 38594538, 40265955, 42882820, 42950352, 51459384, 53687940, 64324230, 64425528, 71583920, 77189076, 80531910, 85765640, 96486345, 102918768, 107375880, 113639473, 128648460, 128851056, 154378152, 161063820, 171531280, 192972690, 214751760, 227278946, 257296920, 308756304, 322127640, 340918419, 385945380, 454557892, 514593840, 568197365, 644255280, 681836838, 771890760, 909115784, 1022755257, 1136394730, 1363673676, 1543781520, 1704592095, 1818231568, 2045510514, 2272789460, 2727347352, 3409184190, 4091021028, 4545578920, 5113776285, 5454694704, 6818368380, 8182042056, 9091157840, 10227552570, 13636736760, 16364084112, 20455105140, 27273473520, 40910210280, 81820420560]

約数ペア:

[(1, 81820420560), (2, 40910210280), (3, 27273473520), (4, 20455105140), (5, 16364084112), (6, 13636736760), (8, 10227552570), (9, 9091157840), (10, 8182042056), (12, 6818368380), (15, 5454694704), (16, 5113776285), (18, 4545578920), (20, 4091021028), (24, 3409184190), (30, 2727347352), (36, 2272789460), (40, 2045510514), (45, 1818231568), (48, 1704592095), (53, 1543781520), (60, 1363673676), (72, 1136394730), (80, 1022755257), (90, 909115784), (106, 771890760), (120, 681836838), (127, 644255280), (144, 568197365), (159, 514593840), (180, 454557892), (212, 385945380), (240, 340918419), (254, 322127640), (265, 308756304), (318, 257296920), (360, 227278946), (381, 214751760), (424, 192972690), (477, 171531280), (508, 161063820), (530, 154378152), (635, 128851056), (636, 128648460), (720, 113639473), (762, 107375880), (795, 102918768), (848, 96486345), (954, 85765640), (1016, 80531910), (1060, 77189076), (1143, 71583920), (1270, 64425528), (1272, 64324230), (1524, 53687940), (1590, 51459384), (1905, 42950352), (1908, 42882820), (2032, 40265955), (2120, 38594538), (2286, 35791960), (2385, 34306256), (2540, 32212764), (2544, 32162115), (3048, 26843970), (3180, 25729692), (3810, 21475176), (3816, 21441410), (4240, 19297269), (4572, 17895980), (4770, 17153128), (5080, 16106382), (5715, 14316784), (6096, 13421985), (6360, 12864846), (6731, 12155760), (7620, 10737588), (7632, 10720705), (9144, 8947990), (9540, 8576564), (10160, 8053191), (11430, 7158392), (12720, 6432423), (13462, 6077880), (15240, 5368794), (16883, 4846320), (18288, 4473995), (19080, 4288282), (20193, 4051920), (22860, 3579196), (26924, 3038940), (30480, 2684397), (33655, 2431152), (33766, 2423160), (38160, 2144141), (40386, 2025960), (45720, 1789598), (50649, 1615440), (53848, 1519470), (60579, 1350640), (67310, 1215576), (67532, 1211580), (80772, 1012980), (84415, 969264), (91440, 894799), (100965, 810384), (101298, 807720), (107696, 759735), (121158, 675320), (134620, 607788), (135064, 605790), (151947, 538480), (161544, 506490), (168830, 484632), (201930, 405192), (202596, 403860), (242316, 337660), (253245, 323088), (269240, 303894), (270128, 302895)]