80571420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5393}}^1$

素因数の和:5491

約数の個数: 72

約数和(自身を含む): 247390416

約数和(自身を除く): 166818996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 5393, 7470, 10786, 14940, 16179, 21572, 26965, 32358, 48537, 53930, 64716, 80895, 97074, 107860, 161790, 194148, 242685, 323580, 447619, 485370, 895238, 970740, 1342857, 1790476, 2238095, 2685714, 4028571, 4476190, 5371428, 6714285, 8057142, 8952380, 13428570, 16114284, 20142855, 26857140, 40285710, 80571420]

約数ペア:

[(1, 80571420), (2, 40285710), (3, 26857140), (4, 20142855), (5, 16114284), (6, 13428570), (9, 8952380), (10, 8057142), (12, 6714285), (15, 5371428), (18, 4476190), (20, 4028571), (30, 2685714), (36, 2238095), (45, 1790476), (60, 1342857), (83, 970740), (90, 895238), (166, 485370), (180, 447619), (249, 323580), (332, 242685), (415, 194148), (498, 161790), (747, 107860), (830, 97074), (996, 80895), (1245, 64716), (1494, 53930), (1660, 48537), (2490, 32358), (2988, 26965), (3735, 21572), (4980, 16179), (5393, 14940), (7470, 10786)]