400827960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28549}}^1$

素因数の和:28582

約数の個数: 128

約数和(自身を含む): 1438920000

約数和(自身を除く): 1038092040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 28549, 57098, 85647, 114196, 142745, 171294, 228392, 256941, 285490, 342588, 371137, 428235, 513882, 570980, 685176, 742274, 770823, 856470, 1027764, 1113411, 1141960, 1284705, 1484548, 1541646, 1712940, 1855685, 2055528, 2226822, 2569410, 2969096, 3083292, 3340233, 3425880, 3711370, 3854115, 4453644, 5138820, 5567055, 6166584, 6680466, 7422740, 7708230, 8907288, 10020699, 10277640, 11134110, 13360932, 14845480, 15416460, 16701165, 20041398, 22268220, 26721864, 30832920, 33402330, 40082796, 44536440, 50103495, 66804660, 80165592, 100206990, 133609320, 200413980, 400827960]

約数ペア:

[(1, 400827960), (2, 200413980), (3, 133609320), (4, 100206990), (5, 80165592), (6, 66804660), (8, 50103495), (9, 44536440), (10, 40082796), (12, 33402330), (13, 30832920), (15, 26721864), (18, 22268220), (20, 20041398), (24, 16701165), (26, 15416460), (27, 14845480), (30, 13360932), (36, 11134110), (39, 10277640), (40, 10020699), (45, 8907288), (52, 7708230), (54, 7422740), (60, 6680466), (65, 6166584), (72, 5567055), (78, 5138820), (90, 4453644), (104, 3854115), (108, 3711370), (117, 3425880), (120, 3340233), (130, 3083292), (135, 2969096), (156, 2569410), (180, 2226822), (195, 2055528), (216, 1855685), (234, 1712940), (260, 1541646), (270, 1484548), (312, 1284705), (351, 1141960), (360, 1113411), (390, 1027764), (468, 856470), (520, 770823), (540, 742274), (585, 685176), (702, 570980), (780, 513882), (936, 428235), (1080, 371137), (1170, 342588), (1404, 285490), (1560, 256941), (1755, 228392), (2340, 171294), (2808, 142745), (3510, 114196), (4680, 85647), (7020, 57098), (14040, 28549)]