243819680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 637507584

約数和(自身を除く): 393687904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 71, 80, 104, 127, 130, 142, 160, 169, 208, 254, 260, 284, 338, 355, 416, 508, 520, 568, 635, 676, 710, 845, 923, 1016, 1040, 1136, 1270, 1352, 1420, 1651, 1690, 1846, 2032, 2080, 2272, 2540, 2704, 2840, 3302, 3380, 3692, 4064, 4615, 5080, 5408, 5680, 6604, 6760, 7384, 8255, 9017, 9230, 10160, 11360, 11999, 13208, 13520, 14768, 16510, 18034, 18460, 20320, 21463, 23998, 26416, 27040, 29536, 33020, 36068, 36920, 42926, 45085, 47996, 52832, 59995, 66040, 72136, 73840, 85852, 90170, 95992, 107315, 117221, 119990, 132080, 144272, 147680, 171704, 180340, 191984, 214630, 234442, 239980, 264160, 288544, 343408, 360680, 383968, 429260, 468884, 479960, 586105, 686816, 721360, 858520, 937768, 959920, 1172210, 1442720, 1523873, 1717040, 1875536, 1919840, 2344420, 3047746, 3434080, 3751072, 4688840, 6095492, 7619365, 9377680, 12190984, 15238730, 18755360, 24381968, 30477460, 48763936, 60954920, 121909840, 243819680]

約数ペア:

[(1, 243819680), (2, 121909840), (4, 60954920), (5, 48763936), (8, 30477460), (10, 24381968), (13, 18755360), (16, 15238730), (20, 12190984), (26, 9377680), (32, 7619365), (40, 6095492), (52, 4688840), (65, 3751072), (71, 3434080), (80, 3047746), (104, 2344420), (127, 1919840), (130, 1875536), (142, 1717040), (160, 1523873), (169, 1442720), (208, 1172210), (254, 959920), (260, 937768), (284, 858520), (338, 721360), (355, 686816), (416, 586105), (508, 479960), (520, 468884), (568, 429260), (635, 383968), (676, 360680), (710, 343408), (845, 288544), (923, 264160), (1016, 239980), (1040, 234442), (1136, 214630), (1270, 191984), (1352, 180340), (1420, 171704), (1651, 147680), (1690, 144272), (1846, 132080), (2032, 119990), (2080, 117221), (2272, 107315), (2540, 95992), (2704, 90170), (2840, 85852), (3302, 73840), (3380, 72136), (3692, 66040), (4064, 59995), (4615, 52832), (5080, 47996), (5408, 45085), (5680, 42926), (6604, 36920), (6760, 36068), (7384, 33020), (8255, 29536), (9017, 27040), (9230, 26416), (10160, 23998), (11360, 21463), (11999, 20320), (13208, 18460), (13520, 18034), (14768, 16510)]