287357640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 885980160

約数和(自身を除く): 598622520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 103, 120, 134, 201, 206, 268, 309, 335, 347, 402, 412, 515, 536, 618, 670, 694, 804, 824, 1005, 1030, 1041, 1236, 1340, 1388, 1545, 1608, 1735, 2010, 2060, 2082, 2472, 2680, 2776, 3090, 3470, 4020, 4120, 4164, 5205, 6180, 6901, 6940, 8040, 8328, 10410, 12360, 13802, 13880, 20703, 20820, 23249, 27604, 34505, 35741, 41406, 41640, 46498, 55208, 69010, 69747, 71482, 82812, 92996, 103515, 107223, 116245, 138020, 139494, 142964, 165624, 178705, 185992, 207030, 214446, 232490, 276040, 278988, 285928, 348735, 357410, 414060, 428892, 464980, 536115, 557976, 697470, 714820, 828120, 857784, 929960, 1072230, 1394940, 1429640, 2144460, 2394647, 2789880, 4288920, 4789294, 7183941, 9578588, 11973235, 14367882, 19157176, 23946470, 28735764, 35919705, 47892940, 57471528, 71839410, 95785880, 143678820, 287357640]

約数ペア:

[(1, 287357640), (2, 143678820), (3, 95785880), (4, 71839410), (5, 57471528), (6, 47892940), (8, 35919705), (10, 28735764), (12, 23946470), (15, 19157176), (20, 14367882), (24, 11973235), (30, 9578588), (40, 7183941), (60, 4789294), (67, 4288920), (103, 2789880), (120, 2394647), (134, 2144460), (201, 1429640), (206, 1394940), (268, 1072230), (309, 929960), (335, 857784), (347, 828120), (402, 714820), (412, 697470), (515, 557976), (536, 536115), (618, 464980), (670, 428892), (694, 414060), (804, 357410), (824, 348735), (1005, 285928), (1030, 278988), (1041, 276040), (1236, 232490), (1340, 214446), (1388, 207030), (1545, 185992), (1608, 178705), (1735, 165624), (2010, 142964), (2060, 139494), (2082, 138020), (2472, 116245), (2680, 107223), (2776, 103515), (3090, 92996), (3470, 82812), (4020, 71482), (4120, 69747), (4164, 69010), (5205, 55208), (6180, 46498), (6901, 41640), (6940, 41406), (8040, 35741), (8328, 34505), (10410, 27604), (12360, 23249), (13802, 20820), (13880, 20703)]