1019712720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{326831}}^1$

素因数の和:326860

約数の個数: 80

約数和(自身を含む): 3404282112

約数和(自身を除く): 2384569392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 326831, 653662, 980493, 1307324, 1634155, 1960986, 2614648, 3268310, 3921972, 4248803, 4902465, 5229296, 6536620, 7843944, 8497606, 9804930, 12746409, 13073240, 15687888, 16995212, 19609860, 21244015, 25492818, 26146480, 33990424, 39219720, 42488030, 50985636, 63732045, 67980848, 78439440, 84976060, 101971272, 127464090, 169952120, 203942544, 254928180, 339904240, 509856360, 1019712720]

約数ペア:

[(1, 1019712720), (2, 509856360), (3, 339904240), (4, 254928180), (5, 203942544), (6, 169952120), (8, 127464090), (10, 101971272), (12, 84976060), (13, 78439440), (15, 67980848), (16, 63732045), (20, 50985636), (24, 42488030), (26, 39219720), (30, 33990424), (39, 26146480), (40, 25492818), (48, 21244015), (52, 19609860), (60, 16995212), (65, 15687888), (78, 13073240), (80, 12746409), (104, 9804930), (120, 8497606), (130, 7843944), (156, 6536620), (195, 5229296), (208, 4902465), (240, 4248803), (260, 3921972), (312, 3268310), (390, 2614648), (520, 1960986), (624, 1634155), (780, 1307324), (1040, 980493), (1560, 653662), (3120, 326831)]