778887720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166429}}^1$

素因数の和:166459

約数の個数: 96

約数和(自身を含む): 2726123400

約数和(自身を除く): 1947235680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 166429, 332858, 499287, 665716, 832145, 998574, 1331432, 1497861, 1664290, 1997148, 2163577, 2496435, 2995722, 3328580, 3994296, 4327154, 4992870, 5991444, 6490731, 6657160, 7489305, 8654308, 9985740, 10817885, 11982888, 12981462, 14978610, 17308616, 19472193, 19971480, 21635770, 25962924, 29957220, 32453655, 38944386, 43271540, 51925848, 59914440, 64907310, 77888772, 86543080, 97360965, 129814620, 155777544, 194721930, 259629240, 389443860, 778887720]

約数ペア:

[(1, 778887720), (2, 389443860), (3, 259629240), (4, 194721930), (5, 155777544), (6, 129814620), (8, 97360965), (9, 86543080), (10, 77888772), (12, 64907310), (13, 59914440), (15, 51925848), (18, 43271540), (20, 38944386), (24, 32453655), (26, 29957220), (30, 25962924), (36, 21635770), (39, 19971480), (40, 19472193), (45, 17308616), (52, 14978610), (60, 12981462), (65, 11982888), (72, 10817885), (78, 9985740), (90, 8654308), (104, 7489305), (117, 6657160), (120, 6490731), (130, 5991444), (156, 4992870), (180, 4327154), (195, 3994296), (234, 3328580), (260, 2995722), (312, 2496435), (360, 2163577), (390, 1997148), (468, 1664290), (520, 1497861), (585, 1331432), (780, 998574), (936, 832145), (1170, 665716), (1560, 499287), (2340, 332858), (4680, 166429)]