18679080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:659

約数の個数: 128

約数和(自身を含む): 65882880

約数和(自身を除く): 47203800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 601, 740, 777, 840, 888, 1036, 1110, 1202, 1295, 1480, 1554, 1803, 2072, 2220, 2404, 2590, 3005, 3108, 3606, 3885, 4207, 4440, 4808, 5180, 6010, 6216, 7212, 7770, 8414, 9015, 10360, 12020, 12621, 14424, 15540, 16828, 18030, 21035, 22237, 24040, 25242, 31080, 33656, 36060, 42070, 44474, 50484, 63105, 66711, 72120, 84140, 88948, 100968, 111185, 126210, 133422, 155659, 168280, 177896, 222370, 252420, 266844, 311318, 333555, 444740, 466977, 504840, 533688, 622636, 667110, 778295, 889480, 933954, 1245272, 1334220, 1556590, 1867908, 2334885, 2668440, 3113180, 3735816, 4669770, 6226360, 9339540, 18679080]

約数ペア:

[(1, 18679080), (2, 9339540), (3, 6226360), (4, 4669770), (5, 3735816), (6, 3113180), (7, 2668440), (8, 2334885), (10, 1867908), (12, 1556590), (14, 1334220), (15, 1245272), (20, 933954), (21, 889480), (24, 778295), (28, 667110), (30, 622636), (35, 533688), (37, 504840), (40, 466977), (42, 444740), (56, 333555), (60, 311318), (70, 266844), (74, 252420), (84, 222370), (105, 177896), (111, 168280), (120, 155659), (140, 133422), (148, 126210), (168, 111185), (185, 100968), (210, 88948), (222, 84140), (259, 72120), (280, 66711), (296, 63105), (370, 50484), (420, 44474), (444, 42070), (518, 36060), (555, 33656), (601, 31080), (740, 25242), (777, 24040), (840, 22237), (888, 21035), (1036, 18030), (1110, 16828), (1202, 15540), (1295, 14424), (1480, 12621), (1554, 12020), (1803, 10360), (2072, 9015), (2220, 8414), (2404, 7770), (2590, 7212), (3005, 6216), (3108, 6010), (3606, 5180), (3885, 4808), (4207, 4440)]