217873680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907807}}^1$

素因数の和:907823

約数の個数: 40

約数和(自身を含む): 675409152

約数和(自身を除く): 457535472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907807, 1815614, 2723421, 3631228, 4539035, 5446842, 7262456, 9078070, 10893684, 13617105, 14524912, 18156140, 21787368, 27234210, 36312280, 43574736, 54468420, 72624560, 108936840, 217873680]

約数ペア:

[(1, 217873680), (2, 108936840), (3, 72624560), (4, 54468420), (5, 43574736), (6, 36312280), (8, 27234210), (10, 21787368), (12, 18156140), (15, 14524912), (16, 13617105), (20, 10893684), (24, 9078070), (30, 7262456), (40, 5446842), (48, 4539035), (60, 3631228), (80, 2723421), (120, 1815614), (240, 907807)]