7327840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1$

素因数の和:312

約数の個数: 72

約数和(自身を含む): 18815328

約数和(自身を除く): 11487488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 271, 338, 416, 520, 542, 676, 845, 1040, 1084, 1352, 1355, 1690, 2080, 2168, 2704, 2710, 3380, 3523, 4336, 5408, 5420, 6760, 7046, 8672, 10840, 13520, 14092, 17615, 21680, 27040, 28184, 35230, 43360, 45799, 56368, 70460, 91598, 112736, 140920, 183196, 228995, 281840, 366392, 457990, 563680, 732784, 915980, 1465568, 1831960, 3663920, 7327840]

約数ペア:

[(1, 7327840), (2, 3663920), (4, 1831960), (5, 1465568), (8, 915980), (10, 732784), (13, 563680), (16, 457990), (20, 366392), (26, 281840), (32, 228995), (40, 183196), (52, 140920), (65, 112736), (80, 91598), (104, 70460), (130, 56368), (160, 45799), (169, 43360), (208, 35230), (260, 28184), (271, 27040), (338, 21680), (416, 17615), (520, 14092), (542, 13520), (676, 10840), (845, 8672), (1040, 7046), (1084, 6760), (1352, 5420), (1355, 5408), (1690, 4336), (2080, 3523), (2168, 3380), (2704, 2710)]