131319420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2213}}^1$

素因数の和:2291

約数の個数: 96

約数和(自身を含む): 392781312

約数和(自身を除く): 261461892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 460, 516, 645, 690, 860, 989, 1290, 1380, 1978, 2213, 2580, 2967, 3956, 4426, 4945, 5934, 6639, 8852, 9890, 11065, 11868, 13278, 14835, 19780, 22130, 26556, 29670, 33195, 44260, 50899, 59340, 66390, 95159, 101798, 132780, 152697, 190318, 203596, 254495, 285477, 305394, 380636, 475795, 508990, 570954, 610788, 763485, 951590, 1017980, 1141908, 1427385, 1526970, 1903180, 2188657, 2854770, 3053940, 4377314, 5709540, 6565971, 8754628, 10943285, 13131942, 21886570, 26263884, 32829855, 43773140, 65659710, 131319420]

約数ペア:

[(1, 131319420), (2, 65659710), (3, 43773140), (4, 32829855), (5, 26263884), (6, 21886570), (10, 13131942), (12, 10943285), (15, 8754628), (20, 6565971), (23, 5709540), (30, 4377314), (43, 3053940), (46, 2854770), (60, 2188657), (69, 1903180), (86, 1526970), (92, 1427385), (115, 1141908), (129, 1017980), (138, 951590), (172, 763485), (215, 610788), (230, 570954), (258, 508990), (276, 475795), (345, 380636), (430, 305394), (460, 285477), (516, 254495), (645, 203596), (690, 190318), (860, 152697), (989, 132780), (1290, 101798), (1380, 95159), (1978, 66390), (2213, 59340), (2580, 50899), (2967, 44260), (3956, 33195), (4426, 29670), (4945, 26556), (5934, 22130), (6639, 19780), (8852, 14835), (9890, 13278), (11065, 11868)]