178175920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 479969280

約数和(自身を除く): 301793360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 71, 76, 80, 95, 104, 127, 130, 142, 152, 190, 208, 247, 254, 260, 284, 304, 355, 380, 494, 508, 520, 568, 635, 710, 760, 923, 988, 1016, 1040, 1136, 1235, 1270, 1349, 1420, 1520, 1651, 1846, 1976, 2032, 2413, 2470, 2540, 2698, 2840, 3302, 3692, 3952, 4615, 4826, 4940, 5080, 5396, 5680, 6604, 6745, 7384, 8255, 9017, 9230, 9652, 9880, 10160, 10792, 12065, 13208, 13490, 14768, 16510, 17537, 18034, 18460, 19304, 19760, 21584, 24130, 26416, 26980, 31369, 33020, 35074, 36068, 36920, 38608, 45085, 48260, 53960, 62738, 66040, 70148, 72136, 73840, 87685, 90170, 96520, 107920, 117221, 125476, 132080, 140296, 144272, 156845, 171323, 175370, 180340, 193040, 234442, 250952, 280592, 313690, 342646, 350740, 360680, 468884, 501904, 586105, 627380, 685292, 701480, 721360, 856615, 937768, 1172210, 1254760, 1370584, 1402960, 1713230, 1875536, 2227199, 2344420, 2509520, 2741168, 3426460, 4454398, 4688840, 6852920, 8908796, 9377680, 11135995, 13705840, 17817592, 22271990, 35635184, 44543980, 89087960, 178175920]

約数ペア:

[(1, 178175920), (2, 89087960), (4, 44543980), (5, 35635184), (8, 22271990), (10, 17817592), (13, 13705840), (16, 11135995), (19, 9377680), (20, 8908796), (26, 6852920), (38, 4688840), (40, 4454398), (52, 3426460), (65, 2741168), (71, 2509520), (76, 2344420), (80, 2227199), (95, 1875536), (104, 1713230), (127, 1402960), (130, 1370584), (142, 1254760), (152, 1172210), (190, 937768), (208, 856615), (247, 721360), (254, 701480), (260, 685292), (284, 627380), (304, 586105), (355, 501904), (380, 468884), (494, 360680), (508, 350740), (520, 342646), (568, 313690), (635, 280592), (710, 250952), (760, 234442), (923, 193040), (988, 180340), (1016, 175370), (1040, 171323), (1136, 156845), (1235, 144272), (1270, 140296), (1349, 132080), (1420, 125476), (1520, 117221), (1651, 107920), (1846, 96520), (1976, 90170), (2032, 87685), (2413, 73840), (2470, 72136), (2540, 70148), (2698, 66040), (2840, 62738), (3302, 53960), (3692, 48260), (3952, 45085), (4615, 38608), (4826, 36920), (4940, 36068), (5080, 35074), (5396, 33020), (5680, 31369), (6604, 26980), (6745, 26416), (7384, 24130), (8255, 21584), (9017, 19760), (9230, 19304), (9652, 18460), (9880, 18034), (10160, 17537), (10792, 16510), (12065, 14768), (13208, 13490)]