31173984

素因数分解:

$2^5\times 3^5\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 97231680

約数和(自身を除く): 66057696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 211, 216, 228, 243, 288, 304, 324, 342, 422, 432, 456, 486, 513, 608, 633, 648, 684, 844, 864, 912, 972, 1026, 1266, 1296, 1368, 1539, 1688, 1824, 1899, 1944, 2052, 2532, 2592, 2736, 3078, 3376, 3798, 3888, 4009, 4104, 4617, 5064, 5472, 5697, 6156, 6752, 7596, 7776, 8018, 8208, 9234, 10128, 11394, 12027, 12312, 15192, 16036, 16416, 17091, 18468, 20256, 22788, 24054, 24624, 30384, 32072, 34182, 36081, 36936, 45576, 48108, 49248, 51273, 60768, 64144, 68364, 72162, 73872, 91152, 96216, 102546, 108243, 128288, 136728, 144324, 147744, 182304, 192432, 205092, 216486, 273456, 288648, 324729, 384864, 410184, 432972, 546912, 577296, 649458, 820368, 865944, 974187, 1154592, 1298916, 1640736, 1731888, 1948374, 2597832, 3463776, 3896748, 5195664, 7793496, 10391328, 15586992, 31173984]

約数ペア:

[(1, 31173984), (2, 15586992), (3, 10391328), (4, 7793496), (6, 5195664), (8, 3896748), (9, 3463776), (12, 2597832), (16, 1948374), (18, 1731888), (19, 1640736), (24, 1298916), (27, 1154592), (32, 974187), (36, 865944), (38, 820368), (48, 649458), (54, 577296), (57, 546912), (72, 432972), (76, 410184), (81, 384864), (96, 324729), (108, 288648), (114, 273456), (144, 216486), (152, 205092), (162, 192432), (171, 182304), (211, 147744), (216, 144324), (228, 136728), (243, 128288), (288, 108243), (304, 102546), (324, 96216), (342, 91152), (422, 73872), (432, 72162), (456, 68364), (486, 64144), (513, 60768), (608, 51273), (633, 49248), (648, 48108), (684, 45576), (844, 36936), (864, 36081), (912, 34182), (972, 32072), (1026, 30384), (1266, 24624), (1296, 24054), (1368, 22788), (1539, 20256), (1688, 18468), (1824, 17091), (1899, 16416), (1944, 16036), (2052, 15192), (2532, 12312), (2592, 12027), (2736, 11394), (3078, 10128), (3376, 9234), (3798, 8208), (3888, 8018), (4009, 7776), (4104, 7596), (4617, 6752), (5064, 6156), (5472, 5697)]