1289511960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31513}}^1$

素因数の和:31569

約数の個数: 128

約数和(自身を含む): 4356495360

約数和(自身を除く): 3066983400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 6820, 8184, 10230, 13640, 20460, 31513, 40920, 63026, 94539, 126052, 157565, 189078, 252104, 315130, 346643, 378156, 472695, 630260, 693286, 756312, 945390, 976903, 1039929, 1260520, 1386572, 1733215, 1890780, 1953806, 2079858, 2773144, 2930709, 3466430, 3781560, 3907612, 4159716, 4884515, 5199645, 5861418, 6932860, 7815224, 8319432, 9769030, 10399290, 10745933, 11722836, 13865720, 14653545, 19538060, 20798580, 21491866, 23445672, 29307090, 32237799, 39076120, 41597160, 42983732, 53729665, 58614180, 64475598, 85967464, 107459330, 117228360, 128951196, 161188995, 214918660, 257902392, 322377990, 429837320, 644755980, 1289511960]

約数ペア:

[(1, 1289511960), (2, 644755980), (3, 429837320), (4, 322377990), (5, 257902392), (6, 214918660), (8, 161188995), (10, 128951196), (11, 117228360), (12, 107459330), (15, 85967464), (20, 64475598), (22, 58614180), (24, 53729665), (30, 42983732), (31, 41597160), (33, 39076120), (40, 32237799), (44, 29307090), (55, 23445672), (60, 21491866), (62, 20798580), (66, 19538060), (88, 14653545), (93, 13865720), (110, 11722836), (120, 10745933), (124, 10399290), (132, 9769030), (155, 8319432), (165, 7815224), (186, 6932860), (220, 5861418), (248, 5199645), (264, 4884515), (310, 4159716), (330, 3907612), (341, 3781560), (372, 3466430), (440, 2930709), (465, 2773144), (620, 2079858), (660, 1953806), (682, 1890780), (744, 1733215), (930, 1386572), (1023, 1260520), (1240, 1039929), (1320, 976903), (1364, 945390), (1705, 756312), (1860, 693286), (2046, 630260), (2728, 472695), (3410, 378156), (3720, 346643), (4092, 315130), (5115, 252104), (6820, 189078), (8184, 157565), (10230, 126052), (13640, 94539), (20460, 63026), (31513, 40920)]