256507992

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:742

約数の個数: 128

約数和(自身を含む): 773337600

約数和(自身を除く): 516829608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 167, 216, 234, 312, 334, 351, 468, 501, 547, 668, 702, 936, 1002, 1094, 1336, 1404, 1503, 1641, 2004, 2171, 2188, 2808, 3006, 3282, 4008, 4342, 4376, 4509, 4923, 6012, 6513, 6564, 7111, 8684, 9018, 9846, 12024, 13026, 13128, 14222, 14769, 17368, 18036, 19539, 19692, 21333, 26052, 28444, 29538, 36072, 39078, 39384, 42666, 52104, 56888, 58617, 59076, 63999, 78156, 85332, 91349, 117234, 118152, 127998, 156312, 170664, 182698, 191997, 234468, 255996, 274047, 365396, 383994, 468936, 511992, 548094, 730792, 767988, 822141, 1096188, 1187537, 1535976, 1644282, 2192376, 2375074, 2466423, 3288564, 3562611, 4750148, 4932846, 6577128, 7125222, 9500296, 9865692, 10687833, 14250444, 19731384, 21375666, 28500888, 32063499, 42751332, 64126998, 85502664, 128253996, 256507992]

約数ペア:

[(1, 256507992), (2, 128253996), (3, 85502664), (4, 64126998), (6, 42751332), (8, 32063499), (9, 28500888), (12, 21375666), (13, 19731384), (18, 14250444), (24, 10687833), (26, 9865692), (27, 9500296), (36, 7125222), (39, 6577128), (52, 4932846), (54, 4750148), (72, 3562611), (78, 3288564), (104, 2466423), (108, 2375074), (117, 2192376), (156, 1644282), (167, 1535976), (216, 1187537), (234, 1096188), (312, 822141), (334, 767988), (351, 730792), (468, 548094), (501, 511992), (547, 468936), (668, 383994), (702, 365396), (936, 274047), (1002, 255996), (1094, 234468), (1336, 191997), (1404, 182698), (1503, 170664), (1641, 156312), (2004, 127998), (2171, 118152), (2188, 117234), (2808, 91349), (3006, 85332), (3282, 78156), (4008, 63999), (4342, 59076), (4376, 58617), (4509, 56888), (4923, 52104), (6012, 42666), (6513, 39384), (6564, 39078), (7111, 36072), (8684, 29538), (9018, 28444), (9846, 26052), (12024, 21333), (13026, 19692), (13128, 19539), (14222, 18036), (14769, 17368)]