2790540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 8714160

約数和(自身を除く): 5923620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 419, 444, 555, 666, 740, 838, 1110, 1257, 1332, 1665, 1676, 2095, 2220, 2514, 3330, 3771, 4190, 5028, 6285, 6660, 7542, 8380, 12570, 15084, 15503, 18855, 25140, 31006, 37710, 46509, 62012, 75420, 77515, 93018, 139527, 155030, 186036, 232545, 279054, 310060, 465090, 558108, 697635, 930180, 1395270, 2790540]

約数ペア:

[(1, 2790540), (2, 1395270), (3, 930180), (4, 697635), (5, 558108), (6, 465090), (9, 310060), (10, 279054), (12, 232545), (15, 186036), (18, 155030), (20, 139527), (30, 93018), (36, 77515), (37, 75420), (45, 62012), (60, 46509), (74, 37710), (90, 31006), (111, 25140), (148, 18855), (180, 15503), (185, 15084), (222, 12570), (333, 8380), (370, 7542), (419, 6660), (444, 6285), (555, 5028), (666, 4190), (740, 3771), (838, 3330), (1110, 2514), (1257, 2220), (1332, 2095), (1665, 1676)]