80577990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3259

約数の個数: 80

約数和(自身を含む): 223724160

約数和(自身を除く): 143146170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 3209, 4185, 5022, 6418, 8370, 9627, 12555, 16045, 19254, 25110, 28881, 32090, 48135, 57762, 86643, 96270, 99479, 144405, 173286, 198958, 259929, 288810, 298437, 433215, 497395, 519858, 596874, 866430, 895311, 994790, 1299645, 1492185, 1790622, 2599290, 2685933, 2984370, 4476555, 5371866, 8057799, 8953110, 13429665, 16115598, 26859330, 40288995, 80577990]

約数ペア:

[(1, 80577990), (2, 40288995), (3, 26859330), (5, 16115598), (6, 13429665), (9, 8953110), (10, 8057799), (15, 5371866), (18, 4476555), (27, 2984370), (30, 2685933), (31, 2599290), (45, 1790622), (54, 1492185), (62, 1299645), (81, 994790), (90, 895311), (93, 866430), (135, 596874), (155, 519858), (162, 497395), (186, 433215), (270, 298437), (279, 288810), (310, 259929), (405, 198958), (465, 173286), (558, 144405), (810, 99479), (837, 96270), (930, 86643), (1395, 57762), (1674, 48135), (2511, 32090), (2790, 28881), (3209, 25110), (4185, 19254), (5022, 16045), (6418, 12555), (8370, 9627)]