660366980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2857}}^1$

素因数の和:3013

約数の個数: 96

約数和(自身を含む): 1720836096

約数和(自身を除く): 1060469116

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 182, 254, 260, 364, 455, 508, 635, 889, 910, 1270, 1651, 1778, 1820, 2540, 2857, 3302, 3556, 4445, 5714, 6604, 8255, 8890, 11428, 11557, 14285, 16510, 17780, 19999, 23114, 28570, 33020, 37141, 39998, 46228, 57140, 57785, 74282, 79996, 99995, 115570, 148564, 185705, 199990, 231140, 259987, 362839, 371410, 399980, 519974, 725678, 742820, 1039948, 1299935, 1451356, 1814195, 2539873, 2599870, 3628390, 4716907, 5079746, 5199740, 7256780, 9433814, 10159492, 12699365, 18867628, 23584535, 25398730, 33018349, 47169070, 50797460, 66036698, 94338140, 132073396, 165091745, 330183490, 660366980]

約数ペア:

[(1, 660366980), (2, 330183490), (4, 165091745), (5, 132073396), (7, 94338140), (10, 66036698), (13, 50797460), (14, 47169070), (20, 33018349), (26, 25398730), (28, 23584535), (35, 18867628), (52, 12699365), (65, 10159492), (70, 9433814), (91, 7256780), (127, 5199740), (130, 5079746), (140, 4716907), (182, 3628390), (254, 2599870), (260, 2539873), (364, 1814195), (455, 1451356), (508, 1299935), (635, 1039948), (889, 742820), (910, 725678), (1270, 519974), (1651, 399980), (1778, 371410), (1820, 362839), (2540, 259987), (2857, 231140), (3302, 199990), (3556, 185705), (4445, 148564), (5714, 115570), (6604, 99995), (8255, 79996), (8890, 74282), (11428, 57785), (11557, 57140), (14285, 46228), (16510, 39998), (17780, 37141), (19999, 33020), (23114, 28570)]