2806740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 8805888

約数和(自身を除く): 5999148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 503, 558, 620, 930, 1006, 1116, 1395, 1509, 1860, 2012, 2515, 2790, 3018, 4527, 5030, 5580, 6036, 7545, 9054, 10060, 15090, 15593, 18108, 22635, 30180, 31186, 45270, 46779, 62372, 77965, 90540, 93558, 140337, 155930, 187116, 233895, 280674, 311860, 467790, 561348, 701685, 935580, 1403370, 2806740]

約数ペア:

[(1, 2806740), (2, 1403370), (3, 935580), (4, 701685), (5, 561348), (6, 467790), (9, 311860), (10, 280674), (12, 233895), (15, 187116), (18, 155930), (20, 140337), (30, 93558), (31, 90540), (36, 77965), (45, 62372), (60, 46779), (62, 45270), (90, 31186), (93, 30180), (124, 22635), (155, 18108), (180, 15593), (186, 15090), (279, 10060), (310, 9054), (372, 7545), (465, 6036), (503, 5580), (558, 5030), (620, 4527), (930, 3018), (1006, 2790), (1116, 2515), (1395, 2012), (1509, 1860)]