31006440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2063

約数の個数: 96

約数和(自身を含む): 103165920

約数和(自身を除く): 72159480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 2003, 2580, 3096, 3870, 4006, 5160, 6009, 7740, 8012, 10015, 12018, 15480, 16024, 18027, 20030, 24036, 30045, 36054, 40060, 48072, 60090, 72108, 80120, 86129, 90135, 120180, 144216, 172258, 180270, 240360, 258387, 344516, 360540, 430645, 516774, 689032, 721080, 775161, 861290, 1033548, 1291935, 1550322, 1722580, 2067096, 2583870, 3100644, 3445160, 3875805, 5167740, 6201288, 7751610, 10335480, 15503220, 31006440]

約数ペア:

[(1, 31006440), (2, 15503220), (3, 10335480), (4, 7751610), (5, 6201288), (6, 5167740), (8, 3875805), (9, 3445160), (10, 3100644), (12, 2583870), (15, 2067096), (18, 1722580), (20, 1550322), (24, 1291935), (30, 1033548), (36, 861290), (40, 775161), (43, 721080), (45, 689032), (60, 516774), (72, 430645), (86, 360540), (90, 344516), (120, 258387), (129, 240360), (172, 180270), (180, 172258), (215, 144216), (258, 120180), (344, 90135), (360, 86129), (387, 80120), (430, 72108), (516, 60090), (645, 48072), (774, 40060), (860, 36054), (1032, 30045), (1290, 24036), (1548, 20030), (1720, 18027), (1935, 16024), (2003, 15480), (2580, 12018), (3096, 10015), (3870, 8012), (4006, 7740), (5160, 6009)]