78179920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10739}}^1$

素因数の和:10772

約数の個数: 80

約数和(自身を含む): 223735680

約数和(自身を除く): 145555760

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, 10739, 21478, 42956, 53695, 75173, 85912, 107390, 139607, 150346, 171824, 214780, 279214, 300692, 375865, 429560, 558428, 601384, 698035, 751730, 859120, 977249, 1116856, 1202768, 1396070, 1503460, 1954498, 2233712, 2792140, 3006920, 3908996, 4886245, 5584280, 6013840, 7817992, 9772490, 11168560, 15635984, 19544980, 39089960, 78179920]

約数ペア:

[(1, 78179920), (2, 39089960), (4, 19544980), (5, 15635984), (7, 11168560), (8, 9772490), (10, 7817992), (13, 6013840), (14, 5584280), (16, 4886245), (20, 3908996), (26, 3006920), (28, 2792140), (35, 2233712), (40, 1954498), (52, 1503460), (56, 1396070), (65, 1202768), (70, 1116856), (80, 977249), (91, 859120), (104, 751730), (112, 698035), (130, 601384), (140, 558428), (182, 429560), (208, 375865), (260, 300692), (280, 279214), (364, 214780), (455, 171824), (520, 150346), (560, 139607), (728, 107390), (910, 85912), (1040, 75173), (1456, 53695), (1820, 42956), (3640, 21478), (7280, 10739)]