263557320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:3999

約数の個数: 128

約数和(自身を含む): 871516800

約数和(自身を除く): 607959480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3354, 3929, 4472, 5160, 5590, 6708, 7858, 8385, 11180, 11787, 13416, 15716, 16770, 19645, 22360, 23574, 31432, 33540, 39290, 47148, 51077, 58935, 67080, 78580, 94296, 102154, 117870, 153231, 157160, 168947, 204308, 235740, 255385, 306462, 337894, 408616, 471480, 506841, 510770, 612924, 675788, 766155, 844735, 1013682, 1021540, 1225848, 1351576, 1532310, 1689470, 2027364, 2043080, 2196311, 2534205, 3064620, 3378940, 4054728, 4392622, 5068410, 6129240, 6588933, 6757880, 8785244, 10136820, 10981555, 13177866, 17570488, 20273640, 21963110, 26355732, 32944665, 43926220, 52711464, 65889330, 87852440, 131778660, 263557320]

約数ペア:

[(1, 263557320), (2, 131778660), (3, 87852440), (4, 65889330), (5, 52711464), (6, 43926220), (8, 32944665), (10, 26355732), (12, 21963110), (13, 20273640), (15, 17570488), (20, 13177866), (24, 10981555), (26, 10136820), (30, 8785244), (39, 6757880), (40, 6588933), (43, 6129240), (52, 5068410), (60, 4392622), (65, 4054728), (78, 3378940), (86, 3064620), (104, 2534205), (120, 2196311), (129, 2043080), (130, 2027364), (156, 1689470), (172, 1532310), (195, 1351576), (215, 1225848), (258, 1021540), (260, 1013682), (312, 844735), (344, 766155), (390, 675788), (430, 612924), (516, 510770), (520, 506841), (559, 471480), (645, 408616), (780, 337894), (860, 306462), (1032, 255385), (1118, 235740), (1290, 204308), (1560, 168947), (1677, 157160), (1720, 153231), (2236, 117870), (2580, 102154), (2795, 94296), (3354, 78580), (3929, 67080), (4472, 58935), (5160, 51077), (5590, 47148), (6708, 39290), (7858, 33540), (8385, 31432), (11180, 23574), (11787, 22360), (13416, 19645), (15716, 16770)]