638502912

素因数分解:

$2^{11}\times 3^5\times {\mathrm{1283}}^1$

素因数の和:1320

約数の個数: 144

約数和(自身を含む): 1913904720

約数和(自身を除く): 1275401808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 512, 576, 648, 768, 864, 972, 1024, 1152, 1283, 1296, 1536, 1728, 1944, 2048, 2304, 2566, 2592, 3072, 3456, 3849, 3888, 4608, 5132, 5184, 6144, 6912, 7698, 7776, 9216, 10264, 10368, 11547, 13824, 15396, 15552, 18432, 20528, 20736, 23094, 27648, 30792, 31104, 34641, 41056, 41472, 46188, 55296, 61584, 62208, 69282, 82112, 82944, 92376, 103923, 123168, 124416, 138564, 164224, 165888, 184752, 207846, 246336, 248832, 277128, 311769, 328448, 369504, 415692, 492672, 497664, 554256, 623538, 656896, 739008, 831384, 985344, 1108512, 1247076, 1313792, 1478016, 1662768, 1970688, 2217024, 2494152, 2627584, 2956032, 3325536, 3941376, 4434048, 4988304, 5912064, 6651072, 7882752, 8868096, 9976608, 11824128, 13302144, 17736192, 19953216, 23648256, 26604288, 35472384, 39906432, 53208576, 70944768, 79812864, 106417152, 159625728, 212834304, 319251456, 638502912]

約数ペア:

[(1, 638502912), (2, 319251456), (3, 212834304), (4, 159625728), (6, 106417152), (8, 79812864), (9, 70944768), (12, 53208576), (16, 39906432), (18, 35472384), (24, 26604288), (27, 23648256), (32, 19953216), (36, 17736192), (48, 13302144), (54, 11824128), (64, 9976608), (72, 8868096), (81, 7882752), (96, 6651072), (108, 5912064), (128, 4988304), (144, 4434048), (162, 3941376), (192, 3325536), (216, 2956032), (243, 2627584), (256, 2494152), (288, 2217024), (324, 1970688), (384, 1662768), (432, 1478016), (486, 1313792), (512, 1247076), (576, 1108512), (648, 985344), (768, 831384), (864, 739008), (972, 656896), (1024, 623538), (1152, 554256), (1283, 497664), (1296, 492672), (1536, 415692), (1728, 369504), (1944, 328448), (2048, 311769), (2304, 277128), (2566, 248832), (2592, 246336), (3072, 207846), (3456, 184752), (3849, 165888), (3888, 164224), (4608, 138564), (5132, 124416), (5184, 123168), (6144, 103923), (6912, 92376), (7698, 82944), (7776, 82112), (9216, 69282), (10264, 62208), (10368, 61584), (11547, 55296), (13824, 46188), (15396, 41472), (15552, 41056), (18432, 34641), (20528, 31104), (20736, 30792), (23094, 27648)]