85809920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 240276288

約数和(自身を除く): 154466368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 157, 160, 224, 244, 256, 280, 305, 314, 320, 427, 448, 488, 560, 610, 628, 640, 785, 854, 896, 976, 1099, 1120, 1220, 1256, 1280, 1570, 1708, 1792, 1952, 2135, 2198, 2240, 2440, 2512, 3140, 3416, 3904, 4270, 4396, 4480, 4880, 5024, 5495, 6280, 6832, 7808, 8540, 8792, 8960, 9577, 9760, 10048, 10990, 12560, 13664, 15616, 17080, 17584, 19154, 19520, 20096, 21980, 25120, 27328, 34160, 35168, 38308, 39040, 40192, 43960, 47885, 50240, 54656, 67039, 68320, 70336, 76616, 78080, 87920, 95770, 100480, 109312, 134078, 136640, 140672, 153232, 175840, 191540, 200960, 268156, 273280, 281344, 306464, 335195, 351680, 383080, 536312, 546560, 612928, 670390, 703360, 766160, 1072624, 1225856, 1340780, 1406720, 1532320, 2145248, 2451712, 2681560, 3064640, 4290496, 5363120, 6129280, 8580992, 10726240, 12258560, 17161984, 21452480, 42904960, 85809920]

約数ペア:

[(1, 85809920), (2, 42904960), (4, 21452480), (5, 17161984), (7, 12258560), (8, 10726240), (10, 8580992), (14, 6129280), (16, 5363120), (20, 4290496), (28, 3064640), (32, 2681560), (35, 2451712), (40, 2145248), (56, 1532320), (61, 1406720), (64, 1340780), (70, 1225856), (80, 1072624), (112, 766160), (122, 703360), (128, 670390), (140, 612928), (157, 546560), (160, 536312), (224, 383080), (244, 351680), (256, 335195), (280, 306464), (305, 281344), (314, 273280), (320, 268156), (427, 200960), (448, 191540), (488, 175840), (560, 153232), (610, 140672), (628, 136640), (640, 134078), (785, 109312), (854, 100480), (896, 95770), (976, 87920), (1099, 78080), (1120, 76616), (1220, 70336), (1256, 68320), (1280, 67039), (1570, 54656), (1708, 50240), (1792, 47885), (1952, 43960), (2135, 40192), (2198, 39040), (2240, 38308), (2440, 35168), (2512, 34160), (3140, 27328), (3416, 25120), (3904, 21980), (4270, 20096), (4396, 19520), (4480, 19154), (4880, 17584), (5024, 17080), (5495, 15616), (6280, 13664), (6832, 12560), (7808, 10990), (8540, 10048), (8792, 9760), (8960, 9577)]