15241940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 37844352

約数和(自身を除く): 22602412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 151, 196, 206, 245, 302, 412, 490, 515, 604, 721, 755, 980, 1030, 1057, 1442, 1510, 2060, 2114, 2884, 3020, 3605, 4228, 5047, 5285, 7210, 7399, 10094, 10570, 14420, 14798, 15553, 20188, 21140, 25235, 29596, 31106, 36995, 50470, 62212, 73990, 77765, 100940, 108871, 147980, 155530, 217742, 311060, 435484, 544355, 762097, 1088710, 1524194, 2177420, 3048388, 3810485, 7620970, 15241940]

約数ペア:

[(1, 15241940), (2, 7620970), (4, 3810485), (5, 3048388), (7, 2177420), (10, 1524194), (14, 1088710), (20, 762097), (28, 544355), (35, 435484), (49, 311060), (70, 217742), (98, 155530), (103, 147980), (140, 108871), (151, 100940), (196, 77765), (206, 73990), (245, 62212), (302, 50470), (412, 36995), (490, 31106), (515, 29596), (604, 25235), (721, 21140), (755, 20188), (980, 15553), (1030, 14798), (1057, 14420), (1442, 10570), (1510, 10094), (2060, 7399), (2114, 7210), (2884, 5285), (3020, 5047), (3605, 4228)]