1366541720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 3277454400

約数和(自身を除く): 1910912680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 109, 148, 172, 185, 197, 215, 218, 296, 344, 370, 394, 430, 436, 545, 740, 788, 860, 872, 985, 1090, 1480, 1576, 1591, 1720, 1970, 2180, 3182, 3940, 4033, 4360, 4687, 6364, 7289, 7880, 7955, 8066, 8471, 9374, 12728, 14578, 15910, 16132, 16942, 18748, 20165, 21473, 23435, 29156, 31820, 32264, 33884, 36445, 37496, 40330, 42355, 42946, 46870, 58312, 63640, 67768, 72890, 80660, 84710, 85892, 93740, 107365, 145780, 161320, 169420, 171784, 173419, 187480, 214730, 291560, 313427, 338840, 346838, 429460, 626854, 693676, 794501, 858920, 867095, 923339, 1253708, 1387352, 1567135, 1589002, 1734190, 1846678, 2507416, 3134270, 3178004, 3468380, 3693356, 3972505, 4616695, 6268540, 6356008, 6936760, 7386712, 7945010, 9233390, 12537080, 15890020, 18466780, 31780040, 34163543, 36933560, 68327086, 136654172, 170817715, 273308344, 341635430, 683270860, 1366541720]

約数ペア:

[(1, 1366541720), (2, 683270860), (4, 341635430), (5, 273308344), (8, 170817715), (10, 136654172), (20, 68327086), (37, 36933560), (40, 34163543), (43, 31780040), (74, 18466780), (86, 15890020), (109, 12537080), (148, 9233390), (172, 7945010), (185, 7386712), (197, 6936760), (215, 6356008), (218, 6268540), (296, 4616695), (344, 3972505), (370, 3693356), (394, 3468380), (430, 3178004), (436, 3134270), (545, 2507416), (740, 1846678), (788, 1734190), (860, 1589002), (872, 1567135), (985, 1387352), (1090, 1253708), (1480, 923339), (1576, 867095), (1591, 858920), (1720, 794501), (1970, 693676), (2180, 626854), (3182, 429460), (3940, 346838), (4033, 338840), (4360, 313427), (4687, 291560), (6364, 214730), (7289, 187480), (7880, 173419), (7955, 171784), (8066, 169420), (8471, 161320), (9374, 145780), (12728, 107365), (14578, 93740), (15910, 85892), (16132, 84710), (16942, 80660), (18748, 72890), (20165, 67768), (21473, 63640), (23435, 58312), (29156, 46870), (31820, 42946), (32264, 42355), (33884, 40330), (36445, 37496)]