31020080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4294

約数の個数: 80

約数和(自身を含む): 88785984

約数和(自身を除く): 57765904

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, 4261, 7280, 8522, 17044, 21305, 29827, 34088, 42610, 55393, 59654, 68176, 85220, 110786, 119308, 149135, 170440, 221572, 238616, 276965, 298270, 340880, 387751, 443144, 477232, 553930, 596540, 775502, 886288, 1107860, 1193080, 1551004, 1938755, 2215720, 2386160, 3102008, 3877510, 4431440, 6204016, 7755020, 15510040, 31020080]

約数ペア:

[(1, 31020080), (2, 15510040), (4, 7755020), (5, 6204016), (7, 4431440), (8, 3877510), (10, 3102008), (13, 2386160), (14, 2215720), (16, 1938755), (20, 1551004), (26, 1193080), (28, 1107860), (35, 886288), (40, 775502), (52, 596540), (56, 553930), (65, 477232), (70, 443144), (80, 387751), (91, 340880), (104, 298270), (112, 276965), (130, 238616), (140, 221572), (182, 170440), (208, 149135), (260, 119308), (280, 110786), (364, 85220), (455, 68176), (520, 59654), (560, 55393), (728, 42610), (910, 34088), (1040, 29827), (1456, 21305), (1820, 17044), (3640, 8522), (4261, 7280)]