1245072640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{138959}}^1$

素因数の和:138987

約数の個数: 72

約数和(自身を含む): 3408410880

約数和(自身を除く): 2163338240

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 138959, 277918, 555836, 694795, 972713, 1111672, 1389590, 1945426, 2223344, 2779180, 3890852, 4446688, 4863565, 5558360, 7781704, 8893376, 9727130, 11116720, 15563408, 17786752, 19454260, 22233440, 31126816, 35573504, 38908520, 44466880, 62253632, 77817040, 88933760, 124507264, 155634080, 177867520, 249014528, 311268160, 622536320, 1245072640]

約数ペア:

[(1, 1245072640), (2, 622536320), (4, 311268160), (5, 249014528), (7, 177867520), (8, 155634080), (10, 124507264), (14, 88933760), (16, 77817040), (20, 62253632), (28, 44466880), (32, 38908520), (35, 35573504), (40, 31126816), (56, 22233440), (64, 19454260), (70, 17786752), (80, 15563408), (112, 11116720), (128, 9727130), (140, 8893376), (160, 7781704), (224, 5558360), (256, 4863565), (280, 4446688), (320, 3890852), (448, 2779180), (560, 2223344), (640, 1945426), (896, 1389590), (1120, 1111672), (1280, 972713), (1792, 694795), (2240, 555836), (4480, 277918), (8960, 138959)]