664777764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2070

約数の個数: 144

約数和(自身を含む): 2029547520

約数和(自身を除く): 1364769756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 43, 62, 63, 84, 86, 93, 124, 126, 129, 172, 186, 217, 252, 258, 279, 301, 372, 387, 434, 516, 558, 602, 651, 774, 868, 903, 1116, 1204, 1302, 1333, 1548, 1806, 1953, 1979, 2604, 2666, 2709, 3612, 3906, 3958, 3999, 5332, 5418, 5937, 7812, 7916, 7998, 9331, 10836, 11874, 11997, 13853, 15996, 17811, 18662, 23748, 23994, 27706, 27993, 35622, 37324, 41559, 47988, 55412, 55986, 61349, 71244, 83118, 83979, 85097, 111972, 122698, 124677, 166236, 167958, 170194, 184047, 245396, 249354, 255291, 335916, 340388, 368094, 429443, 498708, 510582, 552141, 595679, 736188, 765873, 858886, 1021164, 1104282, 1191358, 1288329, 1531746, 1717772, 1787037, 2208564, 2382716, 2576658, 2638007, 3063492, 3574074, 3864987, 5153316, 5276014, 5361111, 7148148, 7729974, 7914021, 10552028, 10722222, 15459948, 15828042, 18466049, 21444444, 23742063, 31656084, 36932098, 47484126, 55398147, 73864196, 94968252, 110796294, 166194441, 221592588, 332388882, 664777764]

約数ペア:

[(1, 664777764), (2, 332388882), (3, 221592588), (4, 166194441), (6, 110796294), (7, 94968252), (9, 73864196), (12, 55398147), (14, 47484126), (18, 36932098), (21, 31656084), (28, 23742063), (31, 21444444), (36, 18466049), (42, 15828042), (43, 15459948), (62, 10722222), (63, 10552028), (84, 7914021), (86, 7729974), (93, 7148148), (124, 5361111), (126, 5276014), (129, 5153316), (172, 3864987), (186, 3574074), (217, 3063492), (252, 2638007), (258, 2576658), (279, 2382716), (301, 2208564), (372, 1787037), (387, 1717772), (434, 1531746), (516, 1288329), (558, 1191358), (602, 1104282), (651, 1021164), (774, 858886), (868, 765873), (903, 736188), (1116, 595679), (1204, 552141), (1302, 510582), (1333, 498708), (1548, 429443), (1806, 368094), (1953, 340388), (1979, 335916), (2604, 255291), (2666, 249354), (2709, 245396), (3612, 184047), (3906, 170194), (3958, 167958), (3999, 166236), (5332, 124677), (5418, 122698), (5937, 111972), (7812, 85097), (7916, 83979), (7998, 83118), (9331, 71244), (10836, 61349), (11874, 55986), (11997, 55412), (13853, 47988), (15996, 41559), (17811, 37324), (18662, 35622), (23748, 27993), (23994, 27706)]