655551680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 224

約数和(自身を含む): 1912680960

約数和(自身を除く): 1257129280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 73, 76, 80, 95, 112, 133, 140, 146, 152, 160, 190, 211, 224, 266, 280, 292, 304, 320, 365, 380, 422, 448, 511, 532, 560, 584, 608, 665, 730, 760, 844, 1022, 1055, 1064, 1120, 1168, 1216, 1330, 1387, 1460, 1477, 1520, 1688, 2044, 2110, 2128, 2240, 2336, 2555, 2660, 2774, 2920, 2954, 3040, 3376, 4009, 4088, 4220, 4256, 4672, 5110, 5320, 5548, 5840, 5908, 6080, 6752, 6935, 7385, 8018, 8176, 8440, 8512, 9709, 10220, 10640, 11096, 11680, 11816, 13504, 13870, 14770, 15403, 16036, 16352, 16880, 19418, 20045, 20440, 21280, 22192, 23360, 23632, 27740, 28063, 29540, 30806, 32072, 32704, 33760, 38836, 40090, 40880, 42560, 44384, 47264, 48545, 55480, 56126, 59080, 61612, 64144, 67520, 77015, 77672, 80180, 81760, 88768, 94528, 97090, 107821, 110960, 112252, 118160, 123224, 128288, 140315, 154030, 155344, 160360, 163520, 194180, 215642, 221920, 224504, 236320, 246448, 256576, 280630, 292657, 308060, 310688, 320720, 388360, 431284, 443840, 449008, 472640, 492896, 539105, 561260, 585314, 616120, 621376, 641440, 776720, 862568, 898016, 985792, 1078210, 1122520, 1170628, 1232240, 1282880, 1463285, 1553440, 1725136, 1796032, 2048599, 2156420, 2245040, 2341256, 2464480, 2926570, 3106880, 3450272, 4097198, 4312840, 4490080, 4682512, 4928960, 5853140, 6900544, 8194396, 8625680, 8980160, 9365024, 10242995, 11706280, 16388792, 17251360, 18730048, 20485990, 23412560, 32777584, 34502720, 40971980, 46825120, 65555168, 81943960, 93650240, 131110336, 163887920, 327775840, 655551680]

約数ペア:

[(1, 655551680), (2, 327775840), (4, 163887920), (5, 131110336), (7, 93650240), (8, 81943960), (10, 65555168), (14, 46825120), (16, 40971980), (19, 34502720), (20, 32777584), (28, 23412560), (32, 20485990), (35, 18730048), (38, 17251360), (40, 16388792), (56, 11706280), (64, 10242995), (70, 9365024), (73, 8980160), (76, 8625680), (80, 8194396), (95, 6900544), (112, 5853140), (133, 4928960), (140, 4682512), (146, 4490080), (152, 4312840), (160, 4097198), (190, 3450272), (211, 3106880), (224, 2926570), (266, 2464480), (280, 2341256), (292, 2245040), (304, 2156420), (320, 2048599), (365, 1796032), (380, 1725136), (422, 1553440), (448, 1463285), (511, 1282880), (532, 1232240), (560, 1170628), (584, 1122520), (608, 1078210), (665, 985792), (730, 898016), (760, 862568), (844, 776720), (1022, 641440), (1055, 621376), (1064, 616120), (1120, 585314), (1168, 561260), (1216, 539105), (1330, 492896), (1387, 472640), (1460, 449008), (1477, 443840), (1520, 431284), (1688, 388360), (2044, 320720), (2110, 310688), (2128, 308060), (2240, 292657), (2336, 280630), (2555, 256576), (2660, 246448), (2774, 236320), (2920, 224504), (2954, 221920), (3040, 215642), (3376, 194180), (4009, 163520), (4088, 160360), (4220, 155344), (4256, 154030), (4672, 140315), (5110, 128288), (5320, 123224), (5548, 118160), (5840, 112252), (5908, 110960), (6080, 107821), (6752, 97090), (6935, 94528), (7385, 88768), (8018, 81760), (8176, 80180), (8440, 77672), (8512, 77015), (9709, 67520), (10220, 64144), (10640, 61612), (11096, 59080), (11680, 56126), (11816, 55480), (13504, 48545), (13870, 47264), (14770, 44384), (15403, 42560), (16036, 40880), (16352, 40090), (16880, 38836), (19418, 33760), (20045, 32704), (20440, 32072), (21280, 30806), (22192, 29540), (23360, 28063), (23632, 27740)]