138656480

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 339492384

約数和(自身を除く): 200835904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 83, 106, 160, 166, 197, 212, 265, 332, 394, 415, 424, 530, 664, 788, 830, 848, 985, 1060, 1328, 1576, 1660, 1696, 1970, 2120, 2656, 3152, 3320, 3940, 4240, 4399, 6304, 6640, 7880, 8480, 8798, 10441, 13280, 15760, 16351, 17596, 20882, 21995, 31520, 32702, 35192, 41764, 43990, 52205, 65404, 70384, 81755, 83528, 87980, 104410, 130808, 140768, 163510, 167056, 175960, 208820, 261616, 327020, 334112, 351920, 417640, 523232, 654040, 703840, 835280, 866603, 1308080, 1670560, 1733206, 2616160, 3466412, 4333015, 6932824, 8666030, 13865648, 17332060, 27731296, 34664120, 69328240, 138656480]

約数ペア:

[(1, 138656480), (2, 69328240), (4, 34664120), (5, 27731296), (8, 17332060), (10, 13865648), (16, 8666030), (20, 6932824), (32, 4333015), (40, 3466412), (53, 2616160), (80, 1733206), (83, 1670560), (106, 1308080), (160, 866603), (166, 835280), (197, 703840), (212, 654040), (265, 523232), (332, 417640), (394, 351920), (415, 334112), (424, 327020), (530, 261616), (664, 208820), (788, 175960), (830, 167056), (848, 163510), (985, 140768), (1060, 130808), (1328, 104410), (1576, 87980), (1660, 83528), (1696, 81755), (1970, 70384), (2120, 65404), (2656, 52205), (3152, 43990), (3320, 41764), (3940, 35192), (4240, 32702), (4399, 31520), (6304, 21995), (6640, 20882), (7880, 17596), (8480, 16351), (8798, 15760), (10441, 13280)]