2803860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 8755656

約数和(自身を除く): 5951796

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, 421, 444, 555, 666, 740, 842, 1110, 1263, 1332, 1665, 1684, 2105, 2220, 2526, 3330, 3789, 4210, 5052, 6315, 6660, 7578, 8420, 12630, 15156, 15577, 18945, 25260, 31154, 37890, 46731, 62308, 75780, 77885, 93462, 140193, 155770, 186924, 233655, 280386, 311540, 467310, 560772, 700965, 934620, 1401930, 2803860]

約数ペア:

[(1, 2803860), (2, 1401930), (3, 934620), (4, 700965), (5, 560772), (6, 467310), (9, 311540), (10, 280386), (12, 233655), (15, 186924), (18, 155770), (20, 140193), (30, 93462), (36, 77885), (37, 75780), (45, 62308), (60, 46731), (74, 37890), (90, 31154), (111, 25260), (148, 18945), (180, 15577), (185, 15156), (222, 12630), (333, 8420), (370, 7578), (421, 6660), (444, 6315), (555, 5052), (666, 4210), (740, 3789), (842, 3330), (1110, 2526), (1263, 2220), (1332, 2105), (1665, 1684)]