29878560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{20749}}^1$

素因数の和:20770

約数の個数: 72

約数和(自身を含む): 101965500

約数和(自身を除く): 72086940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 20749, 41498, 62247, 82996, 103745, 124494, 165992, 186741, 207490, 248988, 311235, 331984, 373482, 414980, 497976, 622470, 663968, 746964, 829960, 933705, 995952, 1244940, 1493928, 1659920, 1867410, 1991904, 2489880, 2987856, 3319840, 3734820, 4979760, 5975712, 7469640, 9959520, 14939280, 29878560]

約数ペア:

[(1, 29878560), (2, 14939280), (3, 9959520), (4, 7469640), (5, 5975712), (6, 4979760), (8, 3734820), (9, 3319840), (10, 2987856), (12, 2489880), (15, 1991904), (16, 1867410), (18, 1659920), (20, 1493928), (24, 1244940), (30, 995952), (32, 933705), (36, 829960), (40, 746964), (45, 663968), (48, 622470), (60, 497976), (72, 414980), (80, 373482), (90, 331984), (96, 311235), (120, 248988), (144, 207490), (160, 186741), (180, 165992), (240, 124494), (288, 103745), (360, 82996), (480, 62247), (720, 41498), (1440, 20749)]