12403980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 37975392

約数和(自身を除く): 25571412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 503, 548, 685, 822, 1006, 1233, 1370, 1509, 1644, 2012, 2055, 2466, 2515, 2740, 3018, 4110, 4527, 4932, 5030, 6036, 6165, 7545, 8220, 9054, 10060, 12330, 15090, 18108, 22635, 24660, 30180, 45270, 68911, 90540, 137822, 206733, 275644, 344555, 413466, 620199, 689110, 826932, 1033665, 1240398, 1378220, 2067330, 2480796, 3100995, 4134660, 6201990, 12403980]

約数ペア:

[(1, 12403980), (2, 6201990), (3, 4134660), (4, 3100995), (5, 2480796), (6, 2067330), (9, 1378220), (10, 1240398), (12, 1033665), (15, 826932), (18, 689110), (20, 620199), (30, 413466), (36, 344555), (45, 275644), (60, 206733), (90, 137822), (137, 90540), (180, 68911), (274, 45270), (411, 30180), (503, 24660), (548, 22635), (685, 18108), (822, 15090), (1006, 12330), (1233, 10060), (1370, 9054), (1509, 8220), (1644, 7545), (2012, 6165), (2055, 6036), (2466, 5030), (2515, 4932), (2740, 4527), (3018, 4110)]