251281680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1945

約数の個数: 160

約数和(自身を含む): 858861696

約数和(自身を除く): 607580016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 104, 120, 129, 130, 156, 172, 195, 208, 215, 240, 258, 260, 312, 344, 390, 430, 516, 520, 559, 624, 645, 688, 780, 860, 1032, 1040, 1118, 1290, 1560, 1677, 1720, 1873, 2064, 2236, 2580, 2795, 3120, 3354, 3440, 3746, 4472, 5160, 5590, 5619, 6708, 7492, 8385, 8944, 9365, 10320, 11180, 11238, 13416, 14984, 16770, 18730, 22360, 22476, 24349, 26832, 28095, 29968, 33540, 37460, 44720, 44952, 48698, 56190, 67080, 73047, 74920, 80539, 89904, 97396, 112380, 121745, 134160, 146094, 149840, 161078, 194792, 224760, 241617, 243490, 292188, 322156, 365235, 389584, 402695, 449520, 483234, 486980, 584376, 644312, 730470, 805390, 966468, 973960, 1047007, 1168752, 1208085, 1288624, 1460940, 1610780, 1932936, 1947920, 2094014, 2416170, 2921880, 3141021, 3221560, 3865872, 4188028, 4832340, 5235035, 5843760, 6282042, 6443120, 8376056, 9664680, 10470070, 12564084, 15705105, 16752112, 19329360, 20940140, 25128168, 31410210, 41880280, 50256336, 62820420, 83760560, 125640840, 251281680]

約数ペア:

[(1, 251281680), (2, 125640840), (3, 83760560), (4, 62820420), (5, 50256336), (6, 41880280), (8, 31410210), (10, 25128168), (12, 20940140), (13, 19329360), (15, 16752112), (16, 15705105), (20, 12564084), (24, 10470070), (26, 9664680), (30, 8376056), (39, 6443120), (40, 6282042), (43, 5843760), (48, 5235035), (52, 4832340), (60, 4188028), (65, 3865872), (78, 3221560), (80, 3141021), (86, 2921880), (104, 2416170), (120, 2094014), (129, 1947920), (130, 1932936), (156, 1610780), (172, 1460940), (195, 1288624), (208, 1208085), (215, 1168752), (240, 1047007), (258, 973960), (260, 966468), (312, 805390), (344, 730470), (390, 644312), (430, 584376), (516, 486980), (520, 483234), (559, 449520), (624, 402695), (645, 389584), (688, 365235), (780, 322156), (860, 292188), (1032, 243490), (1040, 241617), (1118, 224760), (1290, 194792), (1560, 161078), (1677, 149840), (1720, 146094), (1873, 134160), (2064, 121745), (2236, 112380), (2580, 97396), (2795, 89904), (3120, 80539), (3354, 74920), (3440, 73047), (3746, 67080), (4472, 56190), (5160, 48698), (5590, 44952), (5619, 44720), (6708, 37460), (7492, 33540), (8385, 29968), (8944, 28095), (9365, 26832), (10320, 24349), (11180, 22476), (11238, 22360), (13416, 18730), (14984, 16770)]