2520920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 6220800

約数和(自身を除く): 3699880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 107, 124, 152, 155, 190, 214, 248, 310, 380, 428, 535, 589, 620, 760, 856, 1070, 1178, 1240, 2033, 2140, 2356, 2945, 3317, 4066, 4280, 4712, 5890, 6634, 8132, 10165, 11780, 13268, 16264, 16585, 20330, 23560, 26536, 33170, 40660, 63023, 66340, 81320, 126046, 132680, 252092, 315115, 504184, 630230, 1260460, 2520920]

約数ペア:

[(1, 2520920), (2, 1260460), (4, 630230), (5, 504184), (8, 315115), (10, 252092), (19, 132680), (20, 126046), (31, 81320), (38, 66340), (40, 63023), (62, 40660), (76, 33170), (95, 26536), (107, 23560), (124, 20330), (152, 16585), (155, 16264), (190, 13268), (214, 11780), (248, 10165), (310, 8132), (380, 6634), (428, 5890), (535, 4712), (589, 4280), (620, 4066), (760, 3317), (856, 2945), (1070, 2356), (1178, 2140), (1240, 2033)]