18675366920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1\times {\mathrm{857}}^1$

素因数の和:1447

約数の個数: 128

約数和(自身を含む): 48432384000

約数和(自身を除く): 29757017080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 349, 446, 698, 857, 892, 1115, 1396, 1561, 1714, 1745, 1784, 2230, 2443, 2792, 3122, 3428, 3490, 4285, 4460, 4886, 5999, 6244, 6856, 6980, 7805, 8570, 8920, 9772, 11998, 12215, 12488, 13960, 15610, 17140, 19544, 23996, 24430, 29995, 31220, 34280, 47992, 48860, 59990, 62440, 77827, 97720, 119980, 155654, 191111, 239960, 299093, 311308, 382222, 389135, 544789, 598186, 622616, 764444, 778270, 955555, 1089578, 1196372, 1337777, 1495465, 1528888, 1556540, 1911110, 2093651, 2179156, 2392744, 2675554, 2723945, 2990930, 3113080, 3822220, 4187302, 4358312, 5351108, 5447890, 5981860, 6688885, 7644440, 8374604, 10468255, 10702216, 10895780, 11963720, 13377770, 16749208, 20936510, 21791560, 26755540, 41873020, 53511080, 66697739, 83746040, 133395478, 266790956, 333488695, 466884173, 533581912, 666977390, 933768346, 1333954780, 1867536692, 2334420865, 2667909560, 3735073384, 4668841730, 9337683460, 18675366920]

約数ペア:

[(1, 18675366920), (2, 9337683460), (4, 4668841730), (5, 3735073384), (7, 2667909560), (8, 2334420865), (10, 1867536692), (14, 1333954780), (20, 933768346), (28, 666977390), (35, 533581912), (40, 466884173), (56, 333488695), (70, 266790956), (140, 133395478), (223, 83746040), (280, 66697739), (349, 53511080), (446, 41873020), (698, 26755540), (857, 21791560), (892, 20936510), (1115, 16749208), (1396, 13377770), (1561, 11963720), (1714, 10895780), (1745, 10702216), (1784, 10468255), (2230, 8374604), (2443, 7644440), (2792, 6688885), (3122, 5981860), (3428, 5447890), (3490, 5351108), (4285, 4358312), (4460, 4187302), (4886, 3822220), (5999, 3113080), (6244, 2990930), (6856, 2723945), (6980, 2675554), (7805, 2392744), (8570, 2179156), (8920, 2093651), (9772, 1911110), (11998, 1556540), (12215, 1528888), (12488, 1495465), (13960, 1337777), (15610, 1196372), (17140, 1089578), (19544, 955555), (23996, 778270), (24430, 764444), (29995, 622616), (31220, 598186), (34280, 544789), (47992, 389135), (48860, 382222), (59990, 311308), (62440, 299093), (77827, 239960), (97720, 191111), (119980, 155654)]