161569520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 455970816

約数和(自身を除く): 294401296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 56, 62, 70, 80, 82, 112, 124, 140, 155, 164, 205, 217, 227, 248, 280, 287, 310, 328, 410, 434, 454, 496, 560, 574, 620, 656, 820, 868, 908, 1085, 1135, 1148, 1240, 1271, 1435, 1589, 1640, 1736, 1816, 2170, 2270, 2296, 2480, 2542, 2870, 3178, 3280, 3472, 3632, 4340, 4540, 4592, 5084, 5740, 6355, 6356, 7037, 7945, 8680, 8897, 9080, 9307, 10168, 11480, 12710, 12712, 14074, 15890, 17360, 17794, 18160, 18614, 20336, 22960, 25420, 25424, 28148, 31780, 35185, 35588, 37228, 44485, 46535, 49259, 50840, 56296, 63560, 65149, 70370, 71176, 74456, 88970, 93070, 98518, 101680, 112592, 127120, 130298, 140740, 142352, 148912, 177940, 186140, 197036, 246295, 260596, 281480, 288517, 325745, 355880, 372280, 394072, 492590, 521192, 562960, 577034, 651490, 711760, 744560, 788144, 985180, 1042384, 1154068, 1302980, 1442585, 1970360, 2019619, 2308136, 2605960, 2885170, 3940720, 4039238, 4616272, 5211920, 5770340, 8078476, 10098095, 11540680, 16156952, 20196190, 23081360, 32313904, 40392380, 80784760, 161569520]

約数ペア:

[(1, 161569520), (2, 80784760), (4, 40392380), (5, 32313904), (7, 23081360), (8, 20196190), (10, 16156952), (14, 11540680), (16, 10098095), (20, 8078476), (28, 5770340), (31, 5211920), (35, 4616272), (40, 4039238), (41, 3940720), (56, 2885170), (62, 2605960), (70, 2308136), (80, 2019619), (82, 1970360), (112, 1442585), (124, 1302980), (140, 1154068), (155, 1042384), (164, 985180), (205, 788144), (217, 744560), (227, 711760), (248, 651490), (280, 577034), (287, 562960), (310, 521192), (328, 492590), (410, 394072), (434, 372280), (454, 355880), (496, 325745), (560, 288517), (574, 281480), (620, 260596), (656, 246295), (820, 197036), (868, 186140), (908, 177940), (1085, 148912), (1135, 142352), (1148, 140740), (1240, 130298), (1271, 127120), (1435, 112592), (1589, 101680), (1640, 98518), (1736, 93070), (1816, 88970), (2170, 74456), (2270, 71176), (2296, 70370), (2480, 65149), (2542, 63560), (2870, 56296), (3178, 50840), (3280, 49259), (3472, 46535), (3632, 44485), (4340, 37228), (4540, 35588), (4592, 35185), (5084, 31780), (5740, 28148), (6355, 25424), (6356, 25420), (7037, 22960), (7945, 20336), (8680, 18614), (8897, 18160), (9080, 17794), (9307, 17360), (10168, 15890), (11480, 14074), (12710, 12712)]