131018880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{68239}}^1$

素因数の和:68261

約数の個数: 64

約数和(自身を含む): 417628800

約数和(自身を除く): 286609920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 68239, 136478, 204717, 272956, 341195, 409434, 545912, 682390, 818868, 1023585, 1091824, 1364780, 1637736, 2047170, 2183648, 2729560, 3275472, 4094340, 4367296, 5459120, 6550944, 8188680, 8734592, 10918240, 13101888, 16377360, 21836480, 26203776, 32754720, 43672960, 65509440, 131018880]

約数ペア:

[(1, 131018880), (2, 65509440), (3, 43672960), (4, 32754720), (5, 26203776), (6, 21836480), (8, 16377360), (10, 13101888), (12, 10918240), (15, 8734592), (16, 8188680), (20, 6550944), (24, 5459120), (30, 4367296), (32, 4094340), (40, 3275472), (48, 2729560), (60, 2183648), (64, 2047170), (80, 1637736), (96, 1364780), (120, 1091824), (128, 1023585), (160, 818868), (192, 682390), (240, 545912), (320, 409434), (384, 341195), (480, 272956), (640, 204717), (960, 136478), (1920, 68239)]