399006720

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{1237}}^1$

素因数の和:1275

約数の個数: 264

約数和(自身を含む): 1581332064

約数和(自身を除く): 1182325344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1237, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2474, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3711, 3840, 4032, 4480, 4608, 4948, 5040, 5120, 5376, 5760, 6185, 6720, 7168, 7422, 7680, 8064, 8659, 8960, 9216, 9896, 10080, 10752, 11133, 11520, 12370, 13440, 14844, 15360, 16128, 17318, 17920, 18555, 19792, 20160, 21504, 22266, 23040, 24740, 25977, 26880, 29688, 32256, 34636, 35840, 37110, 39584, 40320, 43295, 44532, 46080, 49480, 51954, 53760, 55665, 59376, 64512, 69272, 74220, 77931, 79168, 80640, 86590, 89064, 98960, 103908, 107520, 111330, 118752, 129885, 138544, 148440, 155862, 158336, 161280, 173180, 178128, 197920, 207816, 222660, 237504, 259770, 277088, 296880, 311724, 316672, 322560, 346360, 356256, 389655, 395840, 415632, 445320, 475008, 519540, 554176, 593760, 623448, 633344, 692720, 712512, 779310, 791680, 831264, 890640, 950016, 1039080, 1108352, 1187520, 1246896, 1266688, 1385440, 1425024, 1558620, 1583360, 1662528, 1781280, 1900032, 2078160, 2216704, 2375040, 2493792, 2770880, 2850048, 3117240, 3166720, 3325056, 3562560, 3800064, 4156320, 4433408, 4750080, 4987584, 5541760, 5700096, 6234480, 6333440, 6650112, 7125120, 8312640, 8866816, 9500160, 9975168, 11083520, 11400192, 12468960, 13300224, 14250240, 16625280, 19000320, 19950336, 22167040, 24937920, 26600448, 28500480, 33250560, 39900672, 44334080, 49875840, 57000960, 66501120, 79801344, 99751680, 133002240, 199503360, 399006720]

約数ペア:

[(1, 399006720), (2, 199503360), (3, 133002240), (4, 99751680), (5, 79801344), (6, 66501120), (7, 57000960), (8, 49875840), (9, 44334080), (10, 39900672), (12, 33250560), (14, 28500480), (15, 26600448), (16, 24937920), (18, 22167040), (20, 19950336), (21, 19000320), (24, 16625280), (28, 14250240), (30, 13300224), (32, 12468960), (35, 11400192), (36, 11083520), (40, 9975168), (42, 9500160), (45, 8866816), (48, 8312640), (56, 7125120), (60, 6650112), (63, 6333440), (64, 6234480), (70, 5700096), (72, 5541760), (80, 4987584), (84, 4750080), (90, 4433408), (96, 4156320), (105, 3800064), (112, 3562560), (120, 3325056), (126, 3166720), (128, 3117240), (140, 2850048), (144, 2770880), (160, 2493792), (168, 2375040), (180, 2216704), (192, 2078160), (210, 1900032), (224, 1781280), (240, 1662528), (252, 1583360), (256, 1558620), (280, 1425024), (288, 1385440), (315, 1266688), (320, 1246896), (336, 1187520), (360, 1108352), (384, 1039080), (420, 950016), (448, 890640), (480, 831264), (504, 791680), (512, 779310), (560, 712512), (576, 692720), (630, 633344), (640, 623448), (672, 593760), (720, 554176), (768, 519540), (840, 475008), (896, 445320), (960, 415632), (1008, 395840), (1024, 389655), (1120, 356256), (1152, 346360), (1237, 322560), (1260, 316672), (1280, 311724), (1344, 296880), (1440, 277088), (1536, 259770), (1680, 237504), (1792, 222660), (1920, 207816), (2016, 197920), (2240, 178128), (2304, 173180), (2474, 161280), (2520, 158336), (2560, 155862), (2688, 148440), (2880, 138544), (3072, 129885), (3360, 118752), (3584, 111330), (3711, 107520), (3840, 103908), (4032, 98960), (4480, 89064), (4608, 86590), (4948, 80640), (5040, 79168), (5120, 77931), (5376, 74220), (5760, 69272), (6185, 64512), (6720, 59376), (7168, 55665), (7422, 53760), (7680, 51954), (8064, 49480), (8659, 46080), (8960, 44532), (9216, 43295), (9896, 40320), (10080, 39584), (10752, 37110), (11133, 35840), (11520, 34636), (12370, 32256), (13440, 29688), (14844, 26880), (15360, 25977), (16128, 24740), (17318, 23040), (17920, 22266), (18555, 21504), (19792, 20160)]