401545728

素因数分解:

$2^9\times 3^3\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:995

約数の個数: 160

約数和(自身を含む): 1228254720

約数和(自身を除く): 826708992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 256, 279, 288, 372, 384, 432, 496, 512, 558, 576, 744, 768, 837, 864, 937, 992, 1116, 1152, 1488, 1536, 1674, 1728, 1874, 1984, 2232, 2304, 2811, 2976, 3348, 3456, 3748, 3968, 4464, 4608, 5622, 5952, 6696, 6912, 7496, 7936, 8433, 8928, 11244, 11904, 13392, 13824, 14992, 15872, 16866, 17856, 22488, 23808, 25299, 26784, 29047, 29984, 33732, 35712, 44976, 47616, 50598, 53568, 58094, 59968, 67464, 71424, 87141, 89952, 101196, 107136, 116188, 119936, 134928, 142848, 174282, 179904, 202392, 214272, 232376, 239872, 261423, 269856, 348564, 359808, 404784, 428544, 464752, 479744, 522846, 539712, 697128, 719616, 784269, 809568, 929504, 1045692, 1079424, 1394256, 1439232, 1568538, 1619136, 1859008, 2091384, 2158848, 2788512, 3137076, 3238272, 3718016, 4182768, 4317696, 5577024, 6274152, 6476544, 7436032, 8365536, 11154048, 12548304, 12953088, 14872064, 16731072, 22308096, 25096608, 33462144, 44616192, 50193216, 66924288, 100386432, 133848576, 200772864, 401545728]

約数ペア:

[(1, 401545728), (2, 200772864), (3, 133848576), (4, 100386432), (6, 66924288), (8, 50193216), (9, 44616192), (12, 33462144), (16, 25096608), (18, 22308096), (24, 16731072), (27, 14872064), (31, 12953088), (32, 12548304), (36, 11154048), (48, 8365536), (54, 7436032), (62, 6476544), (64, 6274152), (72, 5577024), (93, 4317696), (96, 4182768), (108, 3718016), (124, 3238272), (128, 3137076), (144, 2788512), (186, 2158848), (192, 2091384), (216, 1859008), (248, 1619136), (256, 1568538), (279, 1439232), (288, 1394256), (372, 1079424), (384, 1045692), (432, 929504), (496, 809568), (512, 784269), (558, 719616), (576, 697128), (744, 539712), (768, 522846), (837, 479744), (864, 464752), (937, 428544), (992, 404784), (1116, 359808), (1152, 348564), (1488, 269856), (1536, 261423), (1674, 239872), (1728, 232376), (1874, 214272), (1984, 202392), (2232, 179904), (2304, 174282), (2811, 142848), (2976, 134928), (3348, 119936), (3456, 116188), (3748, 107136), (3968, 101196), (4464, 89952), (4608, 87141), (5622, 71424), (5952, 67464), (6696, 59968), (6912, 58094), (7496, 53568), (7936, 50598), (8433, 47616), (8928, 44976), (11244, 35712), (11904, 33732), (13392, 29984), (13824, 29047), (14992, 26784), (15872, 25299), (16866, 23808), (17856, 22488)]