64721020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 171376128

約数和(自身を除く): 106655108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 260, 301, 364, 430, 455, 559, 602, 827, 860, 910, 1118, 1204, 1505, 1654, 1820, 2236, 2795, 3010, 3308, 3913, 4135, 5590, 5789, 6020, 7826, 8270, 10751, 11180, 11578, 15652, 16540, 19565, 21502, 23156, 28945, 35561, 39130, 43004, 53755, 57890, 71122, 75257, 78260, 107510, 115780, 142244, 150514, 177805, 215020, 248927, 301028, 355610, 376285, 462293, 497854, 711220, 752570, 924586, 995708, 1244635, 1505140, 1849172, 2311465, 2489270, 3236051, 4622930, 4978540, 6472102, 9245860, 12944204, 16180255, 32360510, 64721020]

約数ペア:

[(1, 64721020), (2, 32360510), (4, 16180255), (5, 12944204), (7, 9245860), (10, 6472102), (13, 4978540), (14, 4622930), (20, 3236051), (26, 2489270), (28, 2311465), (35, 1849172), (43, 1505140), (52, 1244635), (65, 995708), (70, 924586), (86, 752570), (91, 711220), (130, 497854), (140, 462293), (172, 376285), (182, 355610), (215, 301028), (260, 248927), (301, 215020), (364, 177805), (430, 150514), (455, 142244), (559, 115780), (602, 107510), (827, 78260), (860, 75257), (910, 71122), (1118, 57890), (1204, 53755), (1505, 43004), (1654, 39130), (1820, 35561), (2236, 28945), (2795, 23156), (3010, 21502), (3308, 19565), (3913, 16540), (4135, 15652), (5590, 11578), (5789, 11180), (6020, 10751), (7826, 8270)]