161801920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:655

約数の個数: 168

約数和(自身を含む): 475341696

約数和(自身を除く): 313539776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 320, 340, 392, 448, 476, 490, 544, 560, 595, 607, 680, 784, 833, 952, 980, 1088, 1120, 1190, 1214, 1360, 1568, 1666, 1904, 1960, 2240, 2380, 2428, 2720, 3035, 3136, 3332, 3808, 3920, 4165, 4249, 4760, 4856, 5440, 6070, 6664, 7616, 7840, 8330, 8498, 9520, 9712, 10319, 12140, 13328, 15680, 16660, 16996, 19040, 19424, 20638, 21245, 24280, 26656, 29743, 33320, 33992, 38080, 38848, 41276, 42490, 48560, 51595, 53312, 59486, 66640, 67984, 72233, 82552, 84980, 97120, 103190, 118972, 133280, 135968, 144466, 148715, 165104, 169960, 194240, 206380, 237944, 266560, 271936, 288932, 297430, 330208, 339920, 361165, 412760, 475888, 505631, 577864, 594860, 660416, 679840, 722330, 825520, 951776, 1011262, 1155728, 1189720, 1359680, 1444660, 1651040, 1903552, 2022524, 2311456, 2379440, 2528155, 2889320, 3302080, 4045048, 4622912, 4758880, 5056310, 5778640, 8090096, 9517760, 10112620, 11557280, 16180192, 20225240, 23114560, 32360384, 40450480, 80900960, 161801920]

約数ペア:

[(1, 161801920), (2, 80900960), (4, 40450480), (5, 32360384), (7, 23114560), (8, 20225240), (10, 16180192), (14, 11557280), (16, 10112620), (17, 9517760), (20, 8090096), (28, 5778640), (32, 5056310), (34, 4758880), (35, 4622912), (40, 4045048), (49, 3302080), (56, 2889320), (64, 2528155), (68, 2379440), (70, 2311456), (80, 2022524), (85, 1903552), (98, 1651040), (112, 1444660), (119, 1359680), (136, 1189720), (140, 1155728), (160, 1011262), (170, 951776), (196, 825520), (224, 722330), (238, 679840), (245, 660416), (272, 594860), (280, 577864), (320, 505631), (340, 475888), (392, 412760), (448, 361165), (476, 339920), (490, 330208), (544, 297430), (560, 288932), (595, 271936), (607, 266560), (680, 237944), (784, 206380), (833, 194240), (952, 169960), (980, 165104), (1088, 148715), (1120, 144466), (1190, 135968), (1214, 133280), (1360, 118972), (1568, 103190), (1666, 97120), (1904, 84980), (1960, 82552), (2240, 72233), (2380, 67984), (2428, 66640), (2720, 59486), (3035, 53312), (3136, 51595), (3332, 48560), (3808, 42490), (3920, 41276), (4165, 38848), (4249, 38080), (4760, 33992), (4856, 33320), (5440, 29743), (6070, 26656), (6664, 24280), (7616, 21245), (7840, 20638), (8330, 19424), (8498, 19040), (9520, 16996), (9712, 16660), (10319, 15680), (12140, 13328)]