231357280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 692375040

約数和(自身を除く): 461017760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 89, 110, 112, 140, 154, 160, 176, 178, 211, 220, 224, 280, 308, 352, 356, 385, 422, 440, 445, 560, 616, 623, 712, 770, 844, 880, 890, 979, 1055, 1120, 1232, 1246, 1424, 1477, 1540, 1688, 1760, 1780, 1958, 2110, 2321, 2464, 2492, 2848, 2954, 3080, 3115, 3376, 3560, 3916, 4220, 4642, 4895, 4984, 5908, 6160, 6230, 6752, 6853, 7120, 7385, 7832, 8440, 9284, 9790, 9968, 11605, 11816, 12320, 12460, 13706, 14240, 14770, 15664, 16247, 16880, 18568, 18779, 19580, 19936, 23210, 23632, 24920, 27412, 29540, 31328, 32494, 33760, 34265, 37136, 37558, 39160, 46420, 47264, 49840, 54824, 59080, 64988, 68530, 74272, 75116, 78320, 81235, 92840, 93895, 99680, 109648, 118160, 129976, 131453, 137060, 150232, 156640, 162470, 185680, 187790, 206569, 219296, 236320, 259952, 262906, 274120, 300464, 324940, 371360, 375580, 413138, 519904, 525812, 548240, 600928, 649880, 657265, 751160, 826276, 1032845, 1051624, 1096480, 1299760, 1314530, 1445983, 1502320, 1652552, 2065690, 2103248, 2599520, 2629060, 2891966, 3004640, 3305104, 4131380, 4206496, 5258120, 5783932, 6610208, 7229915, 8262760, 10516240, 11567864, 14459830, 16525520, 21032480, 23135728, 28919660, 33051040, 46271456, 57839320, 115678640, 231357280]

約数ペア:

[(1, 231357280), (2, 115678640), (4, 57839320), (5, 46271456), (7, 33051040), (8, 28919660), (10, 23135728), (11, 21032480), (14, 16525520), (16, 14459830), (20, 11567864), (22, 10516240), (28, 8262760), (32, 7229915), (35, 6610208), (40, 5783932), (44, 5258120), (55, 4206496), (56, 4131380), (70, 3305104), (77, 3004640), (80, 2891966), (88, 2629060), (89, 2599520), (110, 2103248), (112, 2065690), (140, 1652552), (154, 1502320), (160, 1445983), (176, 1314530), (178, 1299760), (211, 1096480), (220, 1051624), (224, 1032845), (280, 826276), (308, 751160), (352, 657265), (356, 649880), (385, 600928), (422, 548240), (440, 525812), (445, 519904), (560, 413138), (616, 375580), (623, 371360), (712, 324940), (770, 300464), (844, 274120), (880, 262906), (890, 259952), (979, 236320), (1055, 219296), (1120, 206569), (1232, 187790), (1246, 185680), (1424, 162470), (1477, 156640), (1540, 150232), (1688, 137060), (1760, 131453), (1780, 129976), (1958, 118160), (2110, 109648), (2321, 99680), (2464, 93895), (2492, 92840), (2848, 81235), (2954, 78320), (3080, 75116), (3115, 74272), (3376, 68530), (3560, 64988), (3916, 59080), (4220, 54824), (4642, 49840), (4895, 47264), (4984, 46420), (5908, 39160), (6160, 37558), (6230, 37136), (6752, 34265), (6853, 33760), (7120, 32494), (7385, 31328), (7832, 29540), (8440, 27412), (9284, 24920), (9790, 23632), (9968, 23210), (11605, 19936), (11816, 19580), (12320, 18779), (12460, 18568), (13706, 16880), (14240, 16247), (14770, 15664)]