640075332

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{547}}^1\times {\mathrm{577}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 1622996256

約数和(自身を除く): 982920924

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 547, 577, 676, 1014, 1094, 1154, 1641, 1731, 2028, 2188, 2308, 3282, 3462, 6564, 6924, 7111, 7501, 14222, 15002, 21333, 22503, 28444, 30004, 42666, 45006, 85332, 90012, 92443, 97513, 184886, 195026, 277329, 292539, 315619, 369772, 390052, 554658, 585078, 631238, 946857, 1109316, 1170156, 1262476, 1893714, 3787428, 4103047, 8206094, 12309141, 16412188, 24618282, 49236564, 53339611, 106679222, 160018833, 213358444, 320037666, 640075332]

約数ペア:

[(1, 640075332), (2, 320037666), (3, 213358444), (4, 160018833), (6, 106679222), (12, 53339611), (13, 49236564), (26, 24618282), (39, 16412188), (52, 12309141), (78, 8206094), (156, 4103047), (169, 3787428), (338, 1893714), (507, 1262476), (547, 1170156), (577, 1109316), (676, 946857), (1014, 631238), (1094, 585078), (1154, 554658), (1641, 390052), (1731, 369772), (2028, 315619), (2188, 292539), (2308, 277329), (3282, 195026), (3462, 184886), (6564, 97513), (6924, 92443), (7111, 90012), (7501, 85332), (14222, 45006), (15002, 42666), (21333, 30004), (22503, 28444)]