61815780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26417}}^1$

素因数の和:26445

約数の個数: 72

約数和(自身を含む): 201939192

約数和(自身を除く): 140123412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 26417, 52834, 79251, 105668, 132085, 158502, 237753, 264170, 317004, 343421, 396255, 475506, 528340, 686842, 792510, 951012, 1030263, 1188765, 1373684, 1585020, 1717105, 2060526, 2377530, 3090789, 3434210, 4121052, 4755060, 5151315, 6181578, 6868420, 10302630, 12363156, 15453945, 20605260, 30907890, 61815780]

約数ペア:

[(1, 61815780), (2, 30907890), (3, 20605260), (4, 15453945), (5, 12363156), (6, 10302630), (9, 6868420), (10, 6181578), (12, 5151315), (13, 4755060), (15, 4121052), (18, 3434210), (20, 3090789), (26, 2377530), (30, 2060526), (36, 1717105), (39, 1585020), (45, 1373684), (52, 1188765), (60, 1030263), (65, 951012), (78, 792510), (90, 686842), (117, 528340), (130, 475506), (156, 396255), (180, 343421), (195, 317004), (234, 264170), (260, 237753), (390, 158502), (468, 132085), (585, 105668), (780, 79251), (1170, 52834), (2340, 26417)]