127760920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 220603880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 56, 62, 70, 82, 124, 140, 155, 164, 205, 217, 248, 280, 287, 310, 328, 359, 410, 434, 574, 620, 718, 820, 868, 1085, 1148, 1240, 1271, 1435, 1436, 1640, 1736, 1795, 2170, 2296, 2513, 2542, 2870, 2872, 3590, 4340, 5026, 5084, 5740, 6355, 7180, 8680, 8897, 10052, 10168, 11129, 11480, 12565, 12710, 14360, 14719, 17794, 20104, 22258, 25130, 25420, 29438, 35588, 44485, 44516, 50260, 50840, 55645, 58876, 71176, 73595, 77903, 88970, 89032, 100520, 103033, 111290, 117752, 147190, 155806, 177940, 206066, 222580, 294380, 311612, 355880, 389515, 412132, 445160, 456289, 515165, 588760, 623224, 779030, 824264, 912578, 1030330, 1558060, 1825156, 2060660, 2281445, 3116120, 3194023, 3650312, 4121320, 4562890, 6388046, 9125780, 12776092, 15970115, 18251560, 25552184, 31940230, 63880460, 127760920]

約数ペア:

[(1, 127760920), (2, 63880460), (4, 31940230), (5, 25552184), (7, 18251560), (8, 15970115), (10, 12776092), (14, 9125780), (20, 6388046), (28, 4562890), (31, 4121320), (35, 3650312), (40, 3194023), (41, 3116120), (56, 2281445), (62, 2060660), (70, 1825156), (82, 1558060), (124, 1030330), (140, 912578), (155, 824264), (164, 779030), (205, 623224), (217, 588760), (248, 515165), (280, 456289), (287, 445160), (310, 412132), (328, 389515), (359, 355880), (410, 311612), (434, 294380), (574, 222580), (620, 206066), (718, 177940), (820, 155806), (868, 147190), (1085, 117752), (1148, 111290), (1240, 103033), (1271, 100520), (1435, 89032), (1436, 88970), (1640, 77903), (1736, 73595), (1795, 71176), (2170, 58876), (2296, 55645), (2513, 50840), (2542, 50260), (2870, 44516), (2872, 44485), (3590, 35588), (4340, 29438), (5026, 25420), (5084, 25130), (5740, 22258), (6355, 20104), (7180, 17794), (8680, 14719), (8897, 14360), (10052, 12710), (10168, 12565), (11129, 11480)]