80855460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64171}}^1$

素因数の和:64193

約数の個数: 72

約数和(自身を含む): 280303296

約数和(自身を除く): 199447836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64171, 128342, 192513, 256684, 320855, 385026, 449197, 577539, 641710, 770052, 898394, 962565, 1155078, 1283420, 1347591, 1796788, 1925130, 2245985, 2310156, 2695182, 2887695, 3850260, 4042773, 4491970, 5390364, 5775390, 6737955, 8085546, 8983940, 11550780, 13475910, 16171092, 20213865, 26951820, 40427730, 80855460]

約数ペア:

[(1, 80855460), (2, 40427730), (3, 26951820), (4, 20213865), (5, 16171092), (6, 13475910), (7, 11550780), (9, 8983940), (10, 8085546), (12, 6737955), (14, 5775390), (15, 5390364), (18, 4491970), (20, 4042773), (21, 3850260), (28, 2887695), (30, 2695182), (35, 2310156), (36, 2245985), (42, 1925130), (45, 1796788), (60, 1347591), (63, 1283420), (70, 1155078), (84, 962565), (90, 898394), (105, 770052), (126, 641710), (140, 577539), (180, 449197), (210, 385026), (252, 320855), (315, 256684), (420, 192513), (630, 128342), (1260, 64171)]