13242880

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{739}}^1$

素因数の和:769

約数の個数: 80

約数和(自身を含む): 36336960

約数和(自身を除く): 23094080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 739, 896, 1120, 1280, 1478, 1792, 2240, 2560, 2956, 3584, 3695, 4480, 5173, 5912, 7390, 8960, 10346, 11824, 14780, 17920, 20692, 23648, 25865, 29560, 41384, 47296, 51730, 59120, 82768, 94592, 103460, 118240, 165536, 189184, 206920, 236480, 331072, 378368, 413840, 472960, 662144, 827680, 945920, 1324288, 1655360, 1891840, 2648576, 3310720, 6621440, 13242880]

約数ペア:

[(1, 13242880), (2, 6621440), (4, 3310720), (5, 2648576), (7, 1891840), (8, 1655360), (10, 1324288), (14, 945920), (16, 827680), (20, 662144), (28, 472960), (32, 413840), (35, 378368), (40, 331072), (56, 236480), (64, 206920), (70, 189184), (80, 165536), (112, 118240), (128, 103460), (140, 94592), (160, 82768), (224, 59120), (256, 51730), (280, 47296), (320, 41384), (448, 29560), (512, 25865), (560, 23648), (640, 20692), (739, 17920), (896, 14780), (1120, 11824), (1280, 10346), (1478, 8960), (1792, 7390), (2240, 5912), (2560, 5173), (2956, 4480), (3584, 3695)]