15017020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 33239808

約数和(自身を除く): 18222788

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 457, 530, 620, 914, 1060, 1643, 1828, 2285, 3286, 4570, 6572, 8215, 9140, 14167, 16430, 24221, 28334, 32860, 48442, 56668, 70835, 96884, 121105, 141670, 242210, 283340, 484420, 750851, 1501702, 3003404, 3754255, 7508510, 15017020]

約数ペア:

[(1, 15017020), (2, 7508510), (4, 3754255), (5, 3003404), (10, 1501702), (20, 750851), (31, 484420), (53, 283340), (62, 242210), (106, 141670), (124, 121105), (155, 96884), (212, 70835), (265, 56668), (310, 48442), (457, 32860), (530, 28334), (620, 24221), (914, 16430), (1060, 14167), (1643, 9140), (1828, 8215), (2285, 6572), (3286, 4570)]