80862880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 240371712

約数和(自身を除く): 159508832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 137, 140, 155, 160, 170, 217, 224, 238, 248, 272, 274, 280, 310, 340, 434, 476, 496, 527, 544, 548, 560, 595, 620, 680, 685, 868, 952, 959, 992, 1054, 1085, 1096, 1120, 1190, 1240, 1360, 1370, 1736, 1904, 1918, 2108, 2170, 2192, 2329, 2380, 2480, 2635, 2720, 2740, 3472, 3689, 3808, 3836, 4216, 4247, 4340, 4384, 4658, 4760, 4795, 4960, 5270, 5480, 6944, 7378, 7672, 8432, 8494, 8680, 9316, 9520, 9590, 10540, 10960, 11645, 14756, 15344, 16303, 16864, 16988, 17360, 18445, 18632, 19040, 19180, 21080, 21235, 21920, 23290, 29512, 29729, 30688, 32606, 33976, 34720, 36890, 37264, 38360, 42160, 42470, 46580, 59024, 59458, 65212, 67952, 72199, 73780, 74528, 76720, 81515, 84320, 84940, 93160, 118048, 118916, 130424, 135904, 144398, 147560, 148645, 153440, 163030, 169880, 186320, 237832, 260848, 288796, 295120, 297290, 326060, 339760, 360995, 372640, 475664, 505393, 521696, 577592, 590240, 594580, 652120, 679520, 721990, 951328, 1010786, 1155184, 1189160, 1304240, 1443980, 2021572, 2310368, 2378320, 2526965, 2608480, 2887960, 4043144, 4756640, 5053930, 5775920, 8086288, 10107860, 11551840, 16172576, 20215720, 40431440, 80862880]

約数ペア:

[(1, 80862880), (2, 40431440), (4, 20215720), (5, 16172576), (7, 11551840), (8, 10107860), (10, 8086288), (14, 5775920), (16, 5053930), (17, 4756640), (20, 4043144), (28, 2887960), (31, 2608480), (32, 2526965), (34, 2378320), (35, 2310368), (40, 2021572), (56, 1443980), (62, 1304240), (68, 1189160), (70, 1155184), (80, 1010786), (85, 951328), (112, 721990), (119, 679520), (124, 652120), (136, 594580), (137, 590240), (140, 577592), (155, 521696), (160, 505393), (170, 475664), (217, 372640), (224, 360995), (238, 339760), (248, 326060), (272, 297290), (274, 295120), (280, 288796), (310, 260848), (340, 237832), (434, 186320), (476, 169880), (496, 163030), (527, 153440), (544, 148645), (548, 147560), (560, 144398), (595, 135904), (620, 130424), (680, 118916), (685, 118048), (868, 93160), (952, 84940), (959, 84320), (992, 81515), (1054, 76720), (1085, 74528), (1096, 73780), (1120, 72199), (1190, 67952), (1240, 65212), (1360, 59458), (1370, 59024), (1736, 46580), (1904, 42470), (1918, 42160), (2108, 38360), (2170, 37264), (2192, 36890), (2329, 34720), (2380, 33976), (2480, 32606), (2635, 30688), (2720, 29729), (2740, 29512), (3472, 23290), (3689, 21920), (3808, 21235), (3836, 21080), (4216, 19180), (4247, 19040), (4340, 18632), (4384, 18445), (4658, 17360), (4760, 16988), (4795, 16864), (4960, 16303), (5270, 15344), (5480, 14756), (6944, 11645), (7378, 10960), (7672, 10540), (8432, 9590), (8494, 9520), (8680, 9316)]