72079280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9934

約数の個数: 80

約数和(自身を含む): 206278464

約数和(自身を除く): 134199184

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9901, 19802, 39604, 49505, 69307, 79208, 99010, 128713, 138614, 158416, 198020, 257426, 277228, 346535, 396040, 514852, 554456, 643565, 693070, 792080, 900991, 1029704, 1108912, 1287130, 1386140, 1801982, 2059408, 2574260, 2772280, 3603964, 4504955, 5148520, 5544560, 7207928, 9009910, 10297040, 14415856, 18019820, 36039640, 72079280]

約数ペア:

[(1, 72079280), (2, 36039640), (4, 18019820), (5, 14415856), (7, 10297040), (8, 9009910), (10, 7207928), (13, 5544560), (14, 5148520), (16, 4504955), (20, 3603964), (26, 2772280), (28, 2574260), (35, 2059408), (40, 1801982), (52, 1386140), (56, 1287130), (65, 1108912), (70, 1029704), (80, 900991), (91, 792080), (104, 693070), (112, 643565), (130, 554456), (140, 514852), (182, 396040), (208, 346535), (260, 277228), (280, 257426), (364, 198020), (455, 158416), (520, 138614), (560, 128713), (728, 99010), (910, 79208), (1040, 69307), (1456, 49505), (1820, 39604), (3640, 19802), (7280, 9901)]