31533660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 96183360

約数和(自身を除く): 64649700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 733, 956, 1195, 1434, 1466, 2151, 2199, 2390, 2868, 2932, 3585, 3665, 4302, 4398, 4780, 6597, 7170, 7330, 8604, 8796, 10755, 10995, 13194, 14340, 14660, 21510, 21990, 26388, 32985, 43020, 43980, 65970, 131940, 175187, 350374, 525561, 700748, 875935, 1051122, 1576683, 1751870, 2102244, 2627805, 3153366, 3503740, 5255610, 6306732, 7883415, 10511220, 15766830, 31533660]

約数ペア:

[(1, 31533660), (2, 15766830), (3, 10511220), (4, 7883415), (5, 6306732), (6, 5255610), (9, 3503740), (10, 3153366), (12, 2627805), (15, 2102244), (18, 1751870), (20, 1576683), (30, 1051122), (36, 875935), (45, 700748), (60, 525561), (90, 350374), (180, 175187), (239, 131940), (478, 65970), (717, 43980), (733, 43020), (956, 32985), (1195, 26388), (1434, 21990), (1466, 21510), (2151, 14660), (2199, 14340), (2390, 13194), (2868, 10995), (2932, 10755), (3585, 8796), (3665, 8604), (4302, 7330), (4398, 7170), (4780, 6597)]