31266720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21713}}^1$

素因数の和:21734

約数の個数: 72

約数和(自身を含む): 106702596

約数和(自身を除く): 75435876

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21713, 43426, 65139, 86852, 108565, 130278, 173704, 195417, 217130, 260556, 325695, 347408, 390834, 434260, 521112, 651390, 694816, 781668, 868520, 977085, 1042224, 1302780, 1563336, 1737040, 1954170, 2084448, 2605560, 3126672, 3474080, 3908340, 5211120, 6253344, 7816680, 10422240, 15633360, 31266720]

約数ペア:

[(1, 31266720), (2, 15633360), (3, 10422240), (4, 7816680), (5, 6253344), (6, 5211120), (8, 3908340), (9, 3474080), (10, 3126672), (12, 2605560), (15, 2084448), (16, 1954170), (18, 1737040), (20, 1563336), (24, 1302780), (30, 1042224), (32, 977085), (36, 868520), (40, 781668), (45, 694816), (48, 651390), (60, 521112), (72, 434260), (80, 390834), (90, 347408), (96, 325695), (120, 260556), (144, 217130), (160, 195417), (180, 173704), (240, 130278), (288, 108565), (360, 86852), (480, 65139), (720, 43426), (1440, 21713)]