51348420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 165634560

約数和(自身を除く): 114286140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 79, 90, 92, 115, 138, 157, 158, 180, 207, 230, 237, 276, 314, 316, 345, 395, 414, 460, 471, 474, 628, 690, 711, 785, 790, 828, 942, 948, 1035, 1185, 1380, 1413, 1422, 1570, 1580, 1817, 1884, 2070, 2355, 2370, 2826, 2844, 3140, 3555, 3611, 3634, 4140, 4710, 4740, 5451, 5652, 7065, 7110, 7222, 7268, 9085, 9420, 10833, 10902, 12403, 14130, 14220, 14444, 16353, 18055, 18170, 21666, 21804, 24806, 27255, 28260, 32499, 32706, 36110, 36340, 37209, 43332, 49612, 54165, 54510, 62015, 64998, 65412, 72220, 74418, 81765, 108330, 109020, 111627, 124030, 129996, 148836, 162495, 163530, 186045, 216660, 223254, 248060, 285269, 324990, 327060, 372090, 446508, 558135, 570538, 649980, 744180, 855807, 1116270, 1141076, 1426345, 1711614, 2232540, 2567421, 2852690, 3423228, 4279035, 5134842, 5705380, 8558070, 10269684, 12837105, 17116140, 25674210, 51348420]

約数ペア:

[(1, 51348420), (2, 25674210), (3, 17116140), (4, 12837105), (5, 10269684), (6, 8558070), (9, 5705380), (10, 5134842), (12, 4279035), (15, 3423228), (18, 2852690), (20, 2567421), (23, 2232540), (30, 1711614), (36, 1426345), (45, 1141076), (46, 1116270), (60, 855807), (69, 744180), (79, 649980), (90, 570538), (92, 558135), (115, 446508), (138, 372090), (157, 327060), (158, 324990), (180, 285269), (207, 248060), (230, 223254), (237, 216660), (276, 186045), (314, 163530), (316, 162495), (345, 148836), (395, 129996), (414, 124030), (460, 111627), (471, 109020), (474, 108330), (628, 81765), (690, 74418), (711, 72220), (785, 65412), (790, 64998), (828, 62015), (942, 54510), (948, 54165), (1035, 49612), (1185, 43332), (1380, 37209), (1413, 36340), (1422, 36110), (1570, 32706), (1580, 32499), (1817, 28260), (1884, 27255), (2070, 24806), (2355, 21804), (2370, 21666), (2826, 18170), (2844, 18055), (3140, 16353), (3555, 14444), (3611, 14220), (3634, 14130), (4140, 12403), (4710, 10902), (4740, 10833), (5451, 9420), (5652, 9085), (7065, 7268), (7110, 7222)]