142864120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 385228800

約数和(自身を除く): 242364680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 109, 124, 140, 151, 155, 217, 218, 248, 280, 302, 310, 434, 436, 545, 604, 620, 755, 763, 868, 872, 1057, 1085, 1090, 1208, 1240, 1510, 1526, 1736, 2114, 2170, 2180, 3020, 3052, 3379, 3815, 4228, 4340, 4360, 4681, 5285, 6040, 6104, 6758, 7630, 8456, 8680, 9362, 10570, 13516, 15260, 16459, 16895, 18724, 21140, 23405, 23653, 27032, 30520, 32767, 32918, 33790, 37448, 42280, 46810, 47306, 65534, 65836, 67580, 82295, 93620, 94612, 115213, 118265, 131068, 131672, 135160, 163835, 164590, 187240, 189224, 230426, 236530, 262136, 327670, 329180, 460852, 473060, 510229, 576065, 655340, 658360, 921704, 946120, 1020458, 1152130, 1310680, 2040916, 2304260, 2551145, 3571603, 4081832, 4608520, 5102290, 7143206, 10204580, 14286412, 17858015, 20409160, 28572824, 35716030, 71432060, 142864120]

約数ペア:

[(1, 142864120), (2, 71432060), (4, 35716030), (5, 28572824), (7, 20409160), (8, 17858015), (10, 14286412), (14, 10204580), (20, 7143206), (28, 5102290), (31, 4608520), (35, 4081832), (40, 3571603), (56, 2551145), (62, 2304260), (70, 2040916), (109, 1310680), (124, 1152130), (140, 1020458), (151, 946120), (155, 921704), (217, 658360), (218, 655340), (248, 576065), (280, 510229), (302, 473060), (310, 460852), (434, 329180), (436, 327670), (545, 262136), (604, 236530), (620, 230426), (755, 189224), (763, 187240), (868, 164590), (872, 163835), (1057, 135160), (1085, 131672), (1090, 131068), (1208, 118265), (1240, 115213), (1510, 94612), (1526, 93620), (1736, 82295), (2114, 67580), (2170, 65836), (2180, 65534), (3020, 47306), (3052, 46810), (3379, 42280), (3815, 37448), (4228, 33790), (4340, 32918), (4360, 32767), (4681, 30520), (5285, 27032), (6040, 23653), (6104, 23405), (6758, 21140), (7630, 18724), (8456, 16895), (8680, 16459), (9362, 15260), (10570, 13516)]