1405260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 4398576

約数和(自身を除く): 2993316

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, 211, 222, 333, 370, 422, 444, 555, 633, 666, 740, 844, 1055, 1110, 1266, 1332, 1665, 1899, 2110, 2220, 2532, 3165, 3330, 3798, 4220, 6330, 6660, 7596, 7807, 9495, 12660, 15614, 18990, 23421, 31228, 37980, 39035, 46842, 70263, 78070, 93684, 117105, 140526, 156140, 234210, 281052, 351315, 468420, 702630, 1405260]

約数ペア:

[(1, 1405260), (2, 702630), (3, 468420), (4, 351315), (5, 281052), (6, 234210), (9, 156140), (10, 140526), (12, 117105), (15, 93684), (18, 78070), (20, 70263), (30, 46842), (36, 39035), (37, 37980), (45, 31228), (60, 23421), (74, 18990), (90, 15614), (111, 12660), (148, 9495), (180, 7807), (185, 7596), (211, 6660), (222, 6330), (333, 4220), (370, 3798), (422, 3330), (444, 3165), (555, 2532), (633, 2220), (666, 2110), (740, 1899), (844, 1665), (1055, 1332), (1110, 1266)]