31329220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 76769280

約数和(自身を除く): 45440060

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 115, 124, 130, 155, 169, 230, 260, 299, 310, 338, 403, 460, 598, 620, 676, 713, 806, 845, 1196, 1426, 1495, 1612, 1690, 2015, 2197, 2852, 2990, 3380, 3565, 3887, 4030, 4394, 5239, 5980, 7130, 7774, 8060, 8788, 9269, 10478, 10985, 14260, 15548, 18538, 19435, 20956, 21970, 26195, 37076, 38870, 43940, 46345, 50531, 52390, 68107, 77740, 92690, 101062, 104780, 120497, 136214, 185380, 202124, 240994, 252655, 272428, 340535, 481988, 505310, 602485, 681070, 1010620, 1204970, 1362140, 1566461, 2409940, 3132922, 6265844, 7832305, 15664610, 31329220]

約数ペア:

[(1, 31329220), (2, 15664610), (4, 7832305), (5, 6265844), (10, 3132922), (13, 2409940), (20, 1566461), (23, 1362140), (26, 1204970), (31, 1010620), (46, 681070), (52, 602485), (62, 505310), (65, 481988), (92, 340535), (115, 272428), (124, 252655), (130, 240994), (155, 202124), (169, 185380), (230, 136214), (260, 120497), (299, 104780), (310, 101062), (338, 92690), (403, 77740), (460, 68107), (598, 52390), (620, 50531), (676, 46345), (713, 43940), (806, 38870), (845, 37076), (1196, 26195), (1426, 21970), (1495, 20956), (1612, 19435), (1690, 18538), (2015, 15548), (2197, 14260), (2852, 10985), (2990, 10478), (3380, 9269), (3565, 8788), (3887, 8060), (4030, 7774), (4394, 7130), (5239, 5980)]