2990340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 9336600

約数和(自身を除く): 6346260

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, 444, 449, 555, 666, 740, 898, 1110, 1332, 1347, 1665, 1796, 2220, 2245, 2694, 3330, 4041, 4490, 5388, 6660, 6735, 8082, 8980, 13470, 16164, 16613, 20205, 26940, 33226, 40410, 49839, 66452, 80820, 83065, 99678, 149517, 166130, 199356, 249195, 299034, 332260, 498390, 598068, 747585, 996780, 1495170, 2990340]

約数ペア:

[(1, 2990340), (2, 1495170), (3, 996780), (4, 747585), (5, 598068), (6, 498390), (9, 332260), (10, 299034), (12, 249195), (15, 199356), (18, 166130), (20, 149517), (30, 99678), (36, 83065), (37, 80820), (45, 66452), (60, 49839), (74, 40410), (90, 33226), (111, 26940), (148, 20205), (180, 16613), (185, 16164), (222, 13470), (333, 8980), (370, 8082), (444, 6735), (449, 6660), (555, 5388), (666, 4490), (740, 4041), (898, 3330), (1110, 2694), (1332, 2245), (1347, 2220), (1665, 1796)]