30152720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 76661760

約数和(自身を除く): 46509040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 367, 395, 520, 632, 734, 790, 1027, 1040, 1264, 1468, 1580, 1835, 2054, 2936, 3160, 3670, 4108, 4771, 5135, 5872, 6320, 7340, 8216, 9542, 10270, 14680, 16432, 19084, 20540, 23855, 28993, 29360, 38168, 41080, 47710, 57986, 76336, 82160, 95420, 115972, 144965, 190840, 231944, 289930, 376909, 381680, 463888, 579860, 753818, 1159720, 1507636, 1884545, 2319440, 3015272, 3769090, 6030544, 7538180, 15076360, 30152720]

約数ペア:

[(1, 30152720), (2, 15076360), (4, 7538180), (5, 6030544), (8, 3769090), (10, 3015272), (13, 2319440), (16, 1884545), (20, 1507636), (26, 1159720), (40, 753818), (52, 579860), (65, 463888), (79, 381680), (80, 376909), (104, 289930), (130, 231944), (158, 190840), (208, 144965), (260, 115972), (316, 95420), (367, 82160), (395, 76336), (520, 57986), (632, 47710), (734, 41080), (790, 38168), (1027, 29360), (1040, 28993), (1264, 23855), (1468, 20540), (1580, 19084), (1835, 16432), (2054, 14680), (2936, 10270), (3160, 9542), (3670, 8216), (4108, 7340), (4771, 6320), (5135, 5872)]