65315640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 213192000

約数和(自身を除く): 147876360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 149, 156, 195, 260, 281, 298, 312, 390, 447, 520, 562, 596, 745, 780, 843, 894, 1124, 1192, 1405, 1490, 1560, 1686, 1788, 1937, 2235, 2248, 2810, 2980, 3372, 3576, 3653, 3874, 4215, 4470, 5620, 5811, 5960, 6744, 7306, 7748, 8430, 8940, 9685, 10959, 11240, 11622, 14612, 15496, 16860, 17880, 18265, 19370, 21918, 23244, 29055, 29224, 33720, 36530, 38740, 41869, 43836, 46488, 54795, 58110, 73060, 77480, 83738, 87672, 109590, 116220, 125607, 146120, 167476, 209345, 219180, 232440, 251214, 334952, 418690, 438360, 502428, 544297, 628035, 837380, 1004856, 1088594, 1256070, 1632891, 1674760, 2177188, 2512140, 2721485, 3265782, 4354376, 5024280, 5442970, 6531564, 8164455, 10885940, 13063128, 16328910, 21771880, 32657820, 65315640]

約数ペア:

[(1, 65315640), (2, 32657820), (3, 21771880), (4, 16328910), (5, 13063128), (6, 10885940), (8, 8164455), (10, 6531564), (12, 5442970), (13, 5024280), (15, 4354376), (20, 3265782), (24, 2721485), (26, 2512140), (30, 2177188), (39, 1674760), (40, 1632891), (52, 1256070), (60, 1088594), (65, 1004856), (78, 837380), (104, 628035), (120, 544297), (130, 502428), (149, 438360), (156, 418690), (195, 334952), (260, 251214), (281, 232440), (298, 219180), (312, 209345), (390, 167476), (447, 146120), (520, 125607), (562, 116220), (596, 109590), (745, 87672), (780, 83738), (843, 77480), (894, 73060), (1124, 58110), (1192, 54795), (1405, 46488), (1490, 43836), (1560, 41869), (1686, 38740), (1788, 36530), (1937, 33720), (2235, 29224), (2248, 29055), (2810, 23244), (2980, 21918), (3372, 19370), (3576, 18265), (3653, 17880), (3874, 16860), (4215, 15496), (4470, 14612), (5620, 11622), (5811, 11240), (5960, 10959), (6744, 9685), (7306, 8940), (7748, 8430)]