1640331480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{9743}}^1$

素因数の和:9841

約数の個数: 128

約数和(自身を含む): 5219665920

約数和(自身を除く): 3579334440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 345, 366, 460, 488, 552, 610, 690, 732, 915, 920, 1220, 1380, 1403, 1464, 1830, 2440, 2760, 2806, 3660, 4209, 5612, 7015, 7320, 8418, 9743, 11224, 14030, 16836, 19486, 21045, 28060, 29229, 33672, 38972, 42090, 48715, 56120, 58458, 77944, 84180, 97430, 116916, 146145, 168360, 194860, 224089, 233832, 292290, 389720, 448178, 584580, 594323, 672267, 896356, 1120445, 1169160, 1188646, 1344534, 1782969, 1792712, 2240890, 2377292, 2689068, 2971615, 3361335, 3565938, 4481780, 4754584, 5378136, 5943230, 6722670, 7131876, 8914845, 8963560, 11886460, 13445340, 13669429, 14263752, 17829690, 23772920, 26890680, 27338858, 35659380, 41008287, 54677716, 68347145, 71318760, 82016574, 109355432, 136694290, 164033148, 205041435, 273388580, 328066296, 410082870, 546777160, 820165740, 1640331480]

約数ペア:

[(1, 1640331480), (2, 820165740), (3, 546777160), (4, 410082870), (5, 328066296), (6, 273388580), (8, 205041435), (10, 164033148), (12, 136694290), (15, 109355432), (20, 82016574), (23, 71318760), (24, 68347145), (30, 54677716), (40, 41008287), (46, 35659380), (60, 27338858), (61, 26890680), (69, 23772920), (92, 17829690), (115, 14263752), (120, 13669429), (122, 13445340), (138, 11886460), (183, 8963560), (184, 8914845), (230, 7131876), (244, 6722670), (276, 5943230), (305, 5378136), (345, 4754584), (366, 4481780), (460, 3565938), (488, 3361335), (552, 2971615), (610, 2689068), (690, 2377292), (732, 2240890), (915, 1792712), (920, 1782969), (1220, 1344534), (1380, 1188646), (1403, 1169160), (1464, 1120445), (1830, 896356), (2440, 672267), (2760, 594323), (2806, 584580), (3660, 448178), (4209, 389720), (5612, 292290), (7015, 233832), (7320, 224089), (8418, 194860), (9743, 168360), (11224, 146145), (14030, 116916), (16836, 97430), (19486, 84180), (21045, 77944), (28060, 58458), (29229, 56120), (33672, 48715), (38972, 42090)]