131751640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2236

約数の個数: 64

約数和(自身を含む): 312595200

約数和(自身を除く): 180843560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 424, 530, 580, 1060, 1160, 1537, 2120, 2143, 3074, 4286, 6148, 7685, 8572, 10715, 12296, 15370, 17144, 21430, 30740, 42860, 61480, 62147, 85720, 113579, 124294, 227158, 248588, 310735, 454316, 497176, 567895, 621470, 908632, 1135790, 1242940, 2271580, 2485880, 3293791, 4543160, 6587582, 13175164, 16468955, 26350328, 32937910, 65875820, 131751640]

約数ペア:

[(1, 131751640), (2, 65875820), (4, 32937910), (5, 26350328), (8, 16468955), (10, 13175164), (20, 6587582), (29, 4543160), (40, 3293791), (53, 2485880), (58, 2271580), (106, 1242940), (116, 1135790), (145, 908632), (212, 621470), (232, 567895), (265, 497176), (290, 454316), (424, 310735), (530, 248588), (580, 227158), (1060, 124294), (1160, 113579), (1537, 85720), (2120, 62147), (2143, 61480), (3074, 42860), (4286, 30740), (6148, 21430), (7685, 17144), (8572, 15370), (10715, 12296)]