13408740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 44029440

約数和(自身を除く): 30620700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 89, 90, 93, 108, 124, 135, 155, 162, 178, 180, 186, 243, 267, 270, 279, 310, 324, 356, 372, 405, 445, 465, 486, 534, 540, 558, 620, 801, 810, 837, 890, 930, 972, 1068, 1116, 1215, 1335, 1395, 1602, 1620, 1674, 1780, 1860, 2403, 2430, 2511, 2670, 2759, 2790, 3204, 3348, 4005, 4185, 4806, 4860, 5022, 5340, 5518, 5580, 7209, 7533, 8010, 8277, 8370, 9612, 10044, 11036, 12015, 12555, 13795, 14418, 15066, 16020, 16554, 16740, 21627, 24030, 24831, 25110, 27590, 28836, 30132, 33108, 36045, 37665, 41385, 43254, 48060, 49662, 50220, 55180, 72090, 74493, 75330, 82770, 86508, 99324, 108135, 124155, 144180, 148986, 150660, 165540, 216270, 223479, 248310, 297972, 372465, 432540, 446958, 496620, 670437, 744930, 893916, 1117395, 1340874, 1489860, 2234790, 2681748, 3352185, 4469580, 6704370, 13408740]

約数ペア:

[(1, 13408740), (2, 6704370), (3, 4469580), (4, 3352185), (5, 2681748), (6, 2234790), (9, 1489860), (10, 1340874), (12, 1117395), (15, 893916), (18, 744930), (20, 670437), (27, 496620), (30, 446958), (31, 432540), (36, 372465), (45, 297972), (54, 248310), (60, 223479), (62, 216270), (81, 165540), (89, 150660), (90, 148986), (93, 144180), (108, 124155), (124, 108135), (135, 99324), (155, 86508), (162, 82770), (178, 75330), (180, 74493), (186, 72090), (243, 55180), (267, 50220), (270, 49662), (279, 48060), (310, 43254), (324, 41385), (356, 37665), (372, 36045), (405, 33108), (445, 30132), (465, 28836), (486, 27590), (534, 25110), (540, 24831), (558, 24030), (620, 21627), (801, 16740), (810, 16554), (837, 16020), (890, 15066), (930, 14418), (972, 13795), (1068, 12555), (1116, 12015), (1215, 11036), (1335, 10044), (1395, 9612), (1602, 8370), (1620, 8277), (1674, 8010), (1780, 7533), (1860, 7209), (2403, 5580), (2430, 5518), (2511, 5340), (2670, 5022), (2759, 4860), (2790, 4806), (3204, 4185), (3348, 4005)]