28497720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 93312000

約数和(自身を除く): 64814280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 285, 290, 348, 380, 431, 435, 456, 551, 570, 580, 696, 760, 862, 870, 1102, 1140, 1160, 1293, 1653, 1724, 1740, 2155, 2204, 2280, 2586, 2755, 3306, 3448, 3480, 4310, 4408, 5172, 5510, 6465, 6612, 8189, 8265, 8620, 10344, 11020, 12499, 12930, 13224, 16378, 16530, 17240, 22040, 24567, 24998, 25860, 32756, 33060, 37497, 40945, 49134, 49996, 51720, 62495, 65512, 66120, 74994, 81890, 98268, 99992, 122835, 124990, 149988, 163780, 187485, 196536, 237481, 245670, 249980, 299976, 327560, 374970, 474962, 491340, 499960, 712443, 749940, 949924, 982680, 1187405, 1424886, 1499880, 1899848, 2374810, 2849772, 3562215, 4749620, 5699544, 7124430, 9499240, 14248860, 28497720]

約数ペア:

[(1, 28497720), (2, 14248860), (3, 9499240), (4, 7124430), (5, 5699544), (6, 4749620), (8, 3562215), (10, 2849772), (12, 2374810), (15, 1899848), (19, 1499880), (20, 1424886), (24, 1187405), (29, 982680), (30, 949924), (38, 749940), (40, 712443), (57, 499960), (58, 491340), (60, 474962), (76, 374970), (87, 327560), (95, 299976), (114, 249980), (116, 245670), (120, 237481), (145, 196536), (152, 187485), (174, 163780), (190, 149988), (228, 124990), (232, 122835), (285, 99992), (290, 98268), (348, 81890), (380, 74994), (431, 66120), (435, 65512), (456, 62495), (551, 51720), (570, 49996), (580, 49134), (696, 40945), (760, 37497), (862, 33060), (870, 32756), (1102, 25860), (1140, 24998), (1160, 24567), (1293, 22040), (1653, 17240), (1724, 16530), (1740, 16378), (2155, 13224), (2204, 12930), (2280, 12499), (2586, 11020), (2755, 10344), (3306, 8620), (3448, 8265), (3480, 8189), (4310, 6612), (4408, 6465), (5172, 5510)]