25720560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 87338160

約数和(自身を除く): 61617600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 257, 278, 360, 417, 514, 556, 695, 720, 771, 834, 1028, 1112, 1251, 1285, 1390, 1542, 1668, 2056, 2085, 2224, 2313, 2502, 2570, 2780, 3084, 3336, 3855, 4112, 4170, 4626, 5004, 5140, 5560, 6168, 6255, 6672, 7710, 8340, 9252, 10008, 10280, 11120, 11565, 12336, 12510, 15420, 16680, 18504, 20016, 20560, 23130, 25020, 30840, 33360, 35723, 37008, 46260, 50040, 61680, 71446, 92520, 100080, 107169, 142892, 178615, 185040, 214338, 285784, 321507, 357230, 428676, 535845, 571568, 643014, 714460, 857352, 1071690, 1286028, 1428920, 1607535, 1714704, 2143380, 2572056, 2857840, 3215070, 4286760, 5144112, 6430140, 8573520, 12860280, 25720560]

約数ペア:

[(1, 25720560), (2, 12860280), (3, 8573520), (4, 6430140), (5, 5144112), (6, 4286760), (8, 3215070), (9, 2857840), (10, 2572056), (12, 2143380), (15, 1714704), (16, 1607535), (18, 1428920), (20, 1286028), (24, 1071690), (30, 857352), (36, 714460), (40, 643014), (45, 571568), (48, 535845), (60, 428676), (72, 357230), (80, 321507), (90, 285784), (120, 214338), (139, 185040), (144, 178615), (180, 142892), (240, 107169), (257, 100080), (278, 92520), (360, 71446), (417, 61680), (514, 50040), (556, 46260), (695, 37008), (720, 35723), (771, 33360), (834, 30840), (1028, 25020), (1112, 23130), (1251, 20560), (1285, 20016), (1390, 18504), (1542, 16680), (1668, 15420), (2056, 12510), (2085, 12336), (2224, 11565), (2313, 11120), (2502, 10280), (2570, 10008), (2780, 9252), (3084, 8340), (3336, 7710), (3855, 6672), (4112, 6255), (4170, 6168), (4626, 5560), (5004, 5140)]