320445648

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:841

約数の個数: 120

約数和(自身を含む): 955438848

約数和(自身を除く): 634993200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 223, 272, 306, 408, 446, 587, 612, 669, 816, 892, 1174, 1224, 1338, 1761, 1784, 2007, 2348, 2448, 2676, 3522, 3568, 3791, 4014, 4696, 5283, 5352, 7044, 7582, 8028, 9392, 9979, 10566, 10704, 11373, 14088, 15164, 16056, 19958, 21132, 22746, 28176, 29937, 30328, 32112, 34119, 39916, 42264, 45492, 59874, 60656, 68238, 79832, 84528, 89811, 90984, 119748, 130901, 136476, 159664, 179622, 181968, 239496, 261802, 272952, 359244, 392703, 478992, 523604, 545904, 718488, 785406, 1047208, 1178109, 1436976, 1570812, 2094416, 2225317, 2356218, 3141624, 4450634, 4712436, 6283248, 6675951, 8901268, 9424872, 13351902, 17802536, 18849744, 20027853, 26703804, 35605072, 40055706, 53407608, 80111412, 106815216, 160222824, 320445648]

約数ペア:

[(1, 320445648), (2, 160222824), (3, 106815216), (4, 80111412), (6, 53407608), (8, 40055706), (9, 35605072), (12, 26703804), (16, 20027853), (17, 18849744), (18, 17802536), (24, 13351902), (34, 9424872), (36, 8901268), (48, 6675951), (51, 6283248), (68, 4712436), (72, 4450634), (102, 3141624), (136, 2356218), (144, 2225317), (153, 2094416), (204, 1570812), (223, 1436976), (272, 1178109), (306, 1047208), (408, 785406), (446, 718488), (587, 545904), (612, 523604), (669, 478992), (816, 392703), (892, 359244), (1174, 272952), (1224, 261802), (1338, 239496), (1761, 181968), (1784, 179622), (2007, 159664), (2348, 136476), (2448, 130901), (2676, 119748), (3522, 90984), (3568, 89811), (3791, 84528), (4014, 79832), (4696, 68238), (5283, 60656), (5352, 59874), (7044, 45492), (7582, 42264), (8028, 39916), (9392, 34119), (9979, 32112), (10566, 30328), (10704, 29937), (11373, 28176), (14088, 22746), (15164, 21132), (16056, 19958)]