1287628920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{25367}}^1$

素因数の和:25434

約数の個数: 128

約数和(自身を含む): 4383590400

約数和(自身を除く): 3095961480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 564, 705, 846, 940, 1080, 1128, 1269, 1410, 1692, 1880, 2115, 2538, 2820, 3384, 4230, 5076, 5640, 6345, 8460, 10152, 12690, 16920, 25367, 25380, 50734, 50760, 76101, 101468, 126835, 152202, 202936, 228303, 253670, 304404, 380505, 456606, 507340, 608808, 684909, 761010, 913212, 1014680, 1141515, 1192249, 1369818, 1522020, 1826424, 2283030, 2384498, 2739636, 3044040, 3424545, 3576747, 4566060, 4768996, 5479272, 5961245, 6849090, 7153494, 9132120, 9537992, 10730241, 11922490, 13698180, 14306988, 17883735, 21460482, 23844980, 27396360, 28613976, 32190723, 35767470, 42920964, 47689960, 53651205, 64381446, 71534940, 85841928, 107302410, 128762892, 143069880, 160953615, 214604820, 257525784, 321907230, 429209640, 643814460, 1287628920]

約数ペア:

[(1, 1287628920), (2, 643814460), (3, 429209640), (4, 321907230), (5, 257525784), (6, 214604820), (8, 160953615), (9, 143069880), (10, 128762892), (12, 107302410), (15, 85841928), (18, 71534940), (20, 64381446), (24, 53651205), (27, 47689960), (30, 42920964), (36, 35767470), (40, 32190723), (45, 28613976), (47, 27396360), (54, 23844980), (60, 21460482), (72, 17883735), (90, 14306988), (94, 13698180), (108, 11922490), (120, 10730241), (135, 9537992), (141, 9132120), (180, 7153494), (188, 6849090), (216, 5961245), (235, 5479272), (270, 4768996), (282, 4566060), (360, 3576747), (376, 3424545), (423, 3044040), (470, 2739636), (540, 2384498), (564, 2283030), (705, 1826424), (846, 1522020), (940, 1369818), (1080, 1192249), (1128, 1141515), (1269, 1014680), (1410, 913212), (1692, 761010), (1880, 684909), (2115, 608808), (2538, 507340), (2820, 456606), (3384, 380505), (4230, 304404), (5076, 253670), (5640, 228303), (6345, 202936), (8460, 152202), (10152, 126835), (12690, 101468), (16920, 76101), (25367, 50760), (25380, 50734)]