640226304

素因数分解:

$2^{10}\times 3^2\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:700

約数の個数: 132

約数和(自身を含む): 1866601984

約数和(自身を除く): 1226375680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 127, 128, 144, 192, 254, 256, 288, 381, 384, 508, 512, 547, 576, 762, 768, 1016, 1024, 1094, 1143, 1152, 1524, 1536, 1641, 2032, 2188, 2286, 2304, 3048, 3072, 3282, 4064, 4376, 4572, 4608, 4923, 6096, 6564, 8128, 8752, 9144, 9216, 9846, 12192, 13128, 16256, 17504, 18288, 19692, 24384, 26256, 32512, 35008, 36576, 39384, 48768, 52512, 65024, 69469, 70016, 73152, 78768, 97536, 105024, 130048, 138938, 140032, 146304, 157536, 195072, 208407, 210048, 277876, 280064, 292608, 315072, 390144, 416814, 420096, 555752, 560128, 585216, 625221, 630144, 833628, 840192, 1111504, 1170432, 1250442, 1260288, 1667256, 1680384, 2223008, 2500884, 2520576, 3334512, 4446016, 5001768, 5041152, 6669024, 8892032, 10003536, 13338048, 17784064, 20007072, 26676096, 35568128, 40014144, 53352192, 71136256, 80028288, 106704384, 160056576, 213408768, 320113152, 640226304]

約数ペア:

[(1, 640226304), (2, 320113152), (3, 213408768), (4, 160056576), (6, 106704384), (8, 80028288), (9, 71136256), (12, 53352192), (16, 40014144), (18, 35568128), (24, 26676096), (32, 20007072), (36, 17784064), (48, 13338048), (64, 10003536), (72, 8892032), (96, 6669024), (127, 5041152), (128, 5001768), (144, 4446016), (192, 3334512), (254, 2520576), (256, 2500884), (288, 2223008), (381, 1680384), (384, 1667256), (508, 1260288), (512, 1250442), (547, 1170432), (576, 1111504), (762, 840192), (768, 833628), (1016, 630144), (1024, 625221), (1094, 585216), (1143, 560128), (1152, 555752), (1524, 420096), (1536, 416814), (1641, 390144), (2032, 315072), (2188, 292608), (2286, 280064), (2304, 277876), (3048, 210048), (3072, 208407), (3282, 195072), (4064, 157536), (4376, 146304), (4572, 140032), (4608, 138938), (4923, 130048), (6096, 105024), (6564, 97536), (8128, 78768), (8752, 73152), (9144, 70016), (9216, 69469), (9846, 65024), (12192, 52512), (13128, 48768), (16256, 39384), (17504, 36576), (18288, 35008), (19692, 32512), (24384, 26256)]