281217168

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1221

約数の個数: 120

約数和(自身を含む): 826220928

約数和(自身を除く): 545003760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 47, 48, 72, 74, 94, 111, 141, 144, 148, 188, 222, 282, 296, 333, 376, 423, 444, 564, 592, 666, 752, 846, 888, 1123, 1128, 1332, 1692, 1739, 1776, 2246, 2256, 2664, 3369, 3384, 3478, 4492, 5217, 5328, 6738, 6768, 6956, 8984, 10107, 10434, 13476, 13912, 15651, 17968, 20214, 20868, 26952, 27824, 31302, 40428, 41551, 41736, 52781, 53904, 62604, 80856, 83102, 83472, 105562, 124653, 125208, 158343, 161712, 166204, 211124, 249306, 250416, 316686, 332408, 373959, 422248, 475029, 498612, 633372, 664816, 747918, 844496, 950058, 997224, 1266744, 1495836, 1900116, 1952897, 1994448, 2533488, 2991672, 3800232, 3905794, 5858691, 5983344, 7600464, 7811588, 11717382, 15623176, 17576073, 23434764, 31246352, 35152146, 46869528, 70304292, 93739056, 140608584, 281217168]

約数ペア:

[(1, 281217168), (2, 140608584), (3, 93739056), (4, 70304292), (6, 46869528), (8, 35152146), (9, 31246352), (12, 23434764), (16, 17576073), (18, 15623176), (24, 11717382), (36, 7811588), (37, 7600464), (47, 5983344), (48, 5858691), (72, 3905794), (74, 3800232), (94, 2991672), (111, 2533488), (141, 1994448), (144, 1952897), (148, 1900116), (188, 1495836), (222, 1266744), (282, 997224), (296, 950058), (333, 844496), (376, 747918), (423, 664816), (444, 633372), (564, 498612), (592, 475029), (666, 422248), (752, 373959), (846, 332408), (888, 316686), (1123, 250416), (1128, 249306), (1332, 211124), (1692, 166204), (1739, 161712), (1776, 158343), (2246, 125208), (2256, 124653), (2664, 105562), (3369, 83472), (3384, 83102), (3478, 80856), (4492, 62604), (5217, 53904), (5328, 52781), (6738, 41736), (6768, 41551), (6956, 40428), (8984, 31302), (10107, 27824), (10434, 26952), (13476, 20868), (13912, 20214), (15651, 17968)]