261659904

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:736

約数の個数: 144

約数和(自身を含む): 777047040

約数和(自身を除く): 515387136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 47, 48, 64, 66, 88, 94, 96, 128, 132, 141, 176, 188, 192, 256, 264, 282, 352, 376, 384, 517, 528, 564, 659, 704, 752, 768, 1034, 1056, 1128, 1318, 1408, 1504, 1551, 1977, 2068, 2112, 2256, 2636, 2816, 3008, 3102, 3954, 4136, 4224, 4512, 5272, 6016, 6204, 7249, 7908, 8272, 8448, 9024, 10544, 12032, 12408, 14498, 15816, 16544, 18048, 21088, 21747, 24816, 28996, 30973, 31632, 33088, 36096, 42176, 43494, 49632, 57992, 61946, 63264, 66176, 84352, 86988, 92919, 99264, 115984, 123892, 126528, 132352, 168704, 173976, 185838, 198528, 231968, 247784, 253056, 340703, 347952, 371676, 397056, 463936, 495568, 506112, 681406, 695904, 743352, 927872, 991136, 1022109, 1362812, 1391808, 1486704, 1855744, 1982272, 2044218, 2725624, 2783616, 2973408, 3964544, 4088436, 5451248, 5567232, 5946816, 7929088, 8176872, 10902496, 11893632, 16353744, 21804992, 23787264, 32707488, 43609984, 65414976, 87219968, 130829952, 261659904]

約数ペア:

[(1, 261659904), (2, 130829952), (3, 87219968), (4, 65414976), (6, 43609984), (8, 32707488), (11, 23787264), (12, 21804992), (16, 16353744), (22, 11893632), (24, 10902496), (32, 8176872), (33, 7929088), (44, 5946816), (47, 5567232), (48, 5451248), (64, 4088436), (66, 3964544), (88, 2973408), (94, 2783616), (96, 2725624), (128, 2044218), (132, 1982272), (141, 1855744), (176, 1486704), (188, 1391808), (192, 1362812), (256, 1022109), (264, 991136), (282, 927872), (352, 743352), (376, 695904), (384, 681406), (517, 506112), (528, 495568), (564, 463936), (659, 397056), (704, 371676), (752, 347952), (768, 340703), (1034, 253056), (1056, 247784), (1128, 231968), (1318, 198528), (1408, 185838), (1504, 173976), (1551, 168704), (1977, 132352), (2068, 126528), (2112, 123892), (2256, 115984), (2636, 99264), (2816, 92919), (3008, 86988), (3102, 84352), (3954, 66176), (4136, 63264), (4224, 61946), (4512, 57992), (5272, 49632), (6016, 43494), (6204, 42176), (7249, 36096), (7908, 33088), (8272, 31632), (8448, 30973), (9024, 28996), (10544, 24816), (12032, 21747), (12408, 21088), (14498, 18048), (15816, 16544)]