161725760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 224

約数和(自身を含む): 484558848

約数和(自身を除く): 322833088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 136, 137, 140, 155, 160, 170, 217, 224, 238, 248, 272, 274, 280, 310, 320, 340, 434, 448, 476, 496, 527, 544, 548, 560, 595, 620, 680, 685, 868, 952, 959, 992, 1054, 1085, 1088, 1096, 1120, 1190, 1240, 1360, 1370, 1736, 1904, 1918, 1984, 2108, 2170, 2192, 2240, 2329, 2380, 2480, 2635, 2720, 2740, 3472, 3689, 3808, 3836, 4216, 4247, 4340, 4384, 4658, 4760, 4795, 4960, 5270, 5440, 5480, 6944, 7378, 7616, 7672, 8432, 8494, 8680, 8768, 9316, 9520, 9590, 9920, 10540, 10960, 11645, 13888, 14756, 15344, 16303, 16864, 16988, 17360, 18445, 18632, 19040, 19180, 21080, 21235, 21920, 23290, 29512, 29729, 30688, 32606, 33728, 33976, 34720, 36890, 37264, 38080, 38360, 42160, 42470, 43840, 46580, 59024, 59458, 61376, 65212, 67952, 69440, 72199, 73780, 74528, 76720, 81515, 84320, 84940, 93160, 118048, 118916, 130424, 135904, 144398, 147560, 148645, 149056, 153440, 163030, 168640, 169880, 186320, 236096, 237832, 260848, 271808, 288796, 295120, 297290, 306880, 326060, 339760, 360995, 372640, 475664, 505393, 521696, 577592, 590240, 594580, 652120, 679520, 721990, 745280, 951328, 1010786, 1043392, 1155184, 1180480, 1189160, 1304240, 1359040, 1443980, 1902656, 2021572, 2310368, 2378320, 2526965, 2608480, 2887960, 4043144, 4620736, 4756640, 5053930, 5216960, 5775920, 8086288, 9513280, 10107860, 11551840, 16172576, 20215720, 23103680, 32345152, 40431440, 80862880, 161725760]

約数ペア:

[(1, 161725760), (2, 80862880), (4, 40431440), (5, 32345152), (7, 23103680), (8, 20215720), (10, 16172576), (14, 11551840), (16, 10107860), (17, 9513280), (20, 8086288), (28, 5775920), (31, 5216960), (32, 5053930), (34, 4756640), (35, 4620736), (40, 4043144), (56, 2887960), (62, 2608480), (64, 2526965), (68, 2378320), (70, 2310368), (80, 2021572), (85, 1902656), (112, 1443980), (119, 1359040), (124, 1304240), (136, 1189160), (137, 1180480), (140, 1155184), (155, 1043392), (160, 1010786), (170, 951328), (217, 745280), (224, 721990), (238, 679520), (248, 652120), (272, 594580), (274, 590240), (280, 577592), (310, 521696), (320, 505393), (340, 475664), (434, 372640), (448, 360995), (476, 339760), (496, 326060), (527, 306880), (544, 297290), (548, 295120), (560, 288796), (595, 271808), (620, 260848), (680, 237832), (685, 236096), (868, 186320), (952, 169880), (959, 168640), (992, 163030), (1054, 153440), (1085, 149056), (1088, 148645), (1096, 147560), (1120, 144398), (1190, 135904), (1240, 130424), (1360, 118916), (1370, 118048), (1736, 93160), (1904, 84940), (1918, 84320), (1984, 81515), (2108, 76720), (2170, 74528), (2192, 73780), (2240, 72199), (2329, 69440), (2380, 67952), (2480, 65212), (2635, 61376), (2720, 59458), (2740, 59024), (3472, 46580), (3689, 43840), (3808, 42470), (3836, 42160), (4216, 38360), (4247, 38080), (4340, 37264), (4384, 36890), (4658, 34720), (4760, 33976), (4795, 33728), (4960, 32606), (5270, 30688), (5440, 29729), (5480, 29512), (6944, 23290), (7378, 21920), (7616, 21235), (7672, 21080), (8432, 19180), (8494, 19040), (8680, 18632), (8768, 18445), (9316, 17360), (9520, 16988), (9590, 16864), (9920, 16303), (10540, 15344), (10960, 14756), (11645, 13888)]