64750280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 179988480

約数和(自身を除く): 115238200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 85, 119, 122, 136, 140, 170, 223, 238, 244, 280, 305, 340, 427, 446, 476, 488, 595, 610, 680, 854, 892, 952, 1037, 1115, 1190, 1220, 1561, 1708, 1784, 2074, 2135, 2230, 2380, 2440, 3122, 3416, 3791, 4148, 4270, 4460, 4760, 5185, 6244, 7259, 7582, 7805, 8296, 8540, 8920, 10370, 12488, 13603, 14518, 15164, 15610, 17080, 18955, 20740, 26537, 27206, 29036, 30328, 31220, 36295, 37910, 41480, 53074, 54412, 58072, 62440, 68015, 72590, 75820, 95221, 106148, 108824, 132685, 136030, 145180, 151640, 190442, 212296, 231251, 265370, 272060, 290360, 380884, 462502, 476105, 530740, 544120, 761768, 925004, 952210, 1061480, 1156255, 1618757, 1850008, 1904420, 2312510, 3237514, 3808840, 4625020, 6475028, 8093785, 9250040, 12950056, 16187570, 32375140, 64750280]

約数ペア:

[(1, 64750280), (2, 32375140), (4, 16187570), (5, 12950056), (7, 9250040), (8, 8093785), (10, 6475028), (14, 4625020), (17, 3808840), (20, 3237514), (28, 2312510), (34, 1904420), (35, 1850008), (40, 1618757), (56, 1156255), (61, 1061480), (68, 952210), (70, 925004), (85, 761768), (119, 544120), (122, 530740), (136, 476105), (140, 462502), (170, 380884), (223, 290360), (238, 272060), (244, 265370), (280, 231251), (305, 212296), (340, 190442), (427, 151640), (446, 145180), (476, 136030), (488, 132685), (595, 108824), (610, 106148), (680, 95221), (854, 75820), (892, 72590), (952, 68015), (1037, 62440), (1115, 58072), (1190, 54412), (1220, 53074), (1561, 41480), (1708, 37910), (1784, 36295), (2074, 31220), (2135, 30328), (2230, 29036), (2380, 27206), (2440, 26537), (3122, 20740), (3416, 18955), (3791, 17080), (4148, 15610), (4270, 15164), (4460, 14518), (4760, 13603), (5185, 12488), (6244, 10370), (7259, 8920), (7582, 8540), (7805, 8296)]