640379136

素因数分解:

$2^8\times 3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 1767193344

約数和(自身を除く): 1126814208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 113, 128, 141, 157, 188, 192, 226, 256, 282, 314, 339, 376, 384, 452, 471, 564, 628, 678, 752, 768, 904, 942, 1128, 1256, 1356, 1504, 1808, 1884, 2256, 2512, 2712, 3008, 3616, 3768, 4512, 5024, 5311, 5424, 6016, 7232, 7379, 7536, 9024, 10048, 10622, 10848, 12032, 14464, 14758, 15072, 15933, 17741, 18048, 20096, 21244, 21696, 22137, 28928, 29516, 30144, 31866, 35482, 36096, 40192, 42488, 43392, 44274, 53223, 59032, 60288, 63732, 70964, 84976, 86784, 88548, 106446, 118064, 120576, 127464, 141928, 169952, 177096, 212892, 236128, 254928, 283856, 339904, 354192, 425784, 472256, 509856, 567712, 679808, 708384, 833827, 851568, 944512, 1019712, 1135424, 1359616, 1416768, 1667654, 1703136, 1889024, 2039424, 2270848, 2501481, 2833536, 3335308, 3406272, 4078848, 4541696, 5002962, 5667072, 6670616, 6812544, 10005924, 13341232, 13625088, 20011848, 26682464, 40023696, 53364928, 80047392, 106729856, 160094784, 213459712, 320189568, 640379136]

約数ペア:

[(1, 640379136), (2, 320189568), (3, 213459712), (4, 160094784), (6, 106729856), (8, 80047392), (12, 53364928), (16, 40023696), (24, 26682464), (32, 20011848), (47, 13625088), (48, 13341232), (64, 10005924), (94, 6812544), (96, 6670616), (113, 5667072), (128, 5002962), (141, 4541696), (157, 4078848), (188, 3406272), (192, 3335308), (226, 2833536), (256, 2501481), (282, 2270848), (314, 2039424), (339, 1889024), (376, 1703136), (384, 1667654), (452, 1416768), (471, 1359616), (564, 1135424), (628, 1019712), (678, 944512), (752, 851568), (768, 833827), (904, 708384), (942, 679808), (1128, 567712), (1256, 509856), (1356, 472256), (1504, 425784), (1808, 354192), (1884, 339904), (2256, 283856), (2512, 254928), (2712, 236128), (3008, 212892), (3616, 177096), (3768, 169952), (4512, 141928), (5024, 127464), (5311, 120576), (5424, 118064), (6016, 106446), (7232, 88548), (7379, 86784), (7536, 84976), (9024, 70964), (10048, 63732), (10622, 60288), (10848, 59032), (12032, 53223), (14464, 44274), (14758, 43392), (15072, 42488), (15933, 40192), (17741, 36096), (18048, 35482), (20096, 31866), (21244, 30144), (21696, 29516), (22137, 28928)]