256793520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1069973}}^1$

素因数の和:1069989

約数の個数: 40

約数和(自身を含む): 796060656

約数和(自身を除く): 539267136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1069973, 2139946, 3209919, 4279892, 5349865, 6419838, 8559784, 10699730, 12839676, 16049595, 17119568, 21399460, 25679352, 32099190, 42798920, 51358704, 64198380, 85597840, 128396760, 256793520]

約数ペア:

[(1, 256793520), (2, 128396760), (3, 85597840), (4, 64198380), (5, 51358704), (6, 42798920), (8, 32099190), (10, 25679352), (12, 21399460), (15, 17119568), (16, 16049595), (20, 12839676), (24, 10699730), (30, 8559784), (40, 6419838), (48, 5349865), (60, 4279892), (80, 3209919), (120, 2139946), (240, 1069973)]