81280351295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1\times {\mathrm{5441}}^1$

素因数の和:6716

約数の個数: 64

約数和(自身を含む): 121449767040

約数和(自身を除く): 40169415745

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 1229, 2431, 5441, 6145, 12155, 13519, 15977, 20893, 27205, 59851, 67595, 70733, 79885, 92497, 104465, 175747, 229823, 271609, 299255, 353665, 462485, 778063, 878735, 1017467, 1149115, 1202461, 1358045, 2987699, 3890315, 5087335, 6012305, 6686989, 13227071, 14938495, 33434945, 66135355, 73556879, 86930857, 113678813, 367784395, 434654285, 568394065, 956239427, 1250466943, 1477824569, 4781197135, 6252334715, 7389122845, 16256070259, 81280351295]

約数ペア:

[(1, 81280351295), (5, 16256070259), (11, 7389122845), (13, 6252334715), (17, 4781197135), (55, 1477824569), (65, 1250466943), (85, 956239427), (143, 568394065), (187, 434654285), (221, 367784395), (715, 113678813), (935, 86930857), (1105, 73556879), (1229, 66135355), (2431, 33434945), (5441, 14938495), (6145, 13227071), (12155, 6686989), (13519, 6012305), (15977, 5087335), (20893, 3890315), (27205, 2987699), (59851, 1358045), (67595, 1202461), (70733, 1149115), (79885, 1017467), (92497, 878735), (104465, 778063), (175747, 462485), (229823, 353665), (271609, 299255)]