78921660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 230436864

約数和(自身を除く): 151515204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 151, 155, 186, 281, 302, 310, 372, 453, 465, 562, 604, 620, 755, 843, 906, 930, 1124, 1405, 1510, 1686, 1812, 1860, 2265, 2810, 3020, 3372, 4215, 4530, 4681, 5620, 8430, 8711, 9060, 9362, 14043, 16860, 17422, 18724, 23405, 26133, 28086, 34844, 42431, 43555, 46810, 52266, 56172, 70215, 84862, 87110, 93620, 104532, 127293, 130665, 140430, 169724, 174220, 212155, 254586, 261330, 280860, 424310, 509172, 522660, 636465, 848620, 1272930, 1315361, 2545860, 2630722, 3946083, 5261444, 6576805, 7892166, 13153610, 15784332, 19730415, 26307220, 39460830, 78921660]

約数ペア:

[(1, 78921660), (2, 39460830), (3, 26307220), (4, 19730415), (5, 15784332), (6, 13153610), (10, 7892166), (12, 6576805), (15, 5261444), (20, 3946083), (30, 2630722), (31, 2545860), (60, 1315361), (62, 1272930), (93, 848620), (124, 636465), (151, 522660), (155, 509172), (186, 424310), (281, 280860), (302, 261330), (310, 254586), (372, 212155), (453, 174220), (465, 169724), (562, 140430), (604, 130665), (620, 127293), (755, 104532), (843, 93620), (906, 87110), (930, 84862), (1124, 70215), (1405, 56172), (1510, 52266), (1686, 46810), (1812, 43555), (1860, 42431), (2265, 34844), (2810, 28086), (3020, 26133), (3372, 23405), (4215, 18724), (4530, 17422), (4681, 16860), (5620, 14043), (8430, 9362), (8711, 9060)]