15918420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 35562156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 151, 210, 251, 302, 420, 453, 502, 604, 753, 755, 906, 1004, 1057, 1255, 1506, 1510, 1757, 1812, 2114, 2265, 2510, 3012, 3020, 3171, 3514, 3765, 4228, 4530, 5020, 5271, 5285, 6342, 7028, 7530, 8785, 9060, 10542, 10570, 12684, 15060, 15855, 17570, 21084, 21140, 26355, 31710, 35140, 37901, 52710, 63420, 75802, 105420, 113703, 151604, 189505, 227406, 265307, 379010, 454812, 530614, 568515, 758020, 795921, 1061228, 1137030, 1326535, 1591842, 2274060, 2653070, 3183684, 3979605, 5306140, 7959210, 15918420]

約数ペア:

[(1, 15918420), (2, 7959210), (3, 5306140), (4, 3979605), (5, 3183684), (6, 2653070), (7, 2274060), (10, 1591842), (12, 1326535), (14, 1137030), (15, 1061228), (20, 795921), (21, 758020), (28, 568515), (30, 530614), (35, 454812), (42, 379010), (60, 265307), (70, 227406), (84, 189505), (105, 151604), (140, 113703), (151, 105420), (210, 75802), (251, 63420), (302, 52710), (420, 37901), (453, 35140), (502, 31710), (604, 26355), (753, 21140), (755, 21084), (906, 17570), (1004, 15855), (1057, 15060), (1255, 12684), (1506, 10570), (1510, 10542), (1757, 9060), (1812, 8785), (2114, 7530), (2265, 7028), (2510, 6342), (3012, 5285), (3020, 5271), (3171, 5020), (3514, 4530), (3765, 4228)]