15309420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36451}}^1$

素因数の和:36470

約数の個数: 48

約数和(自身を含む): 48991488

約数和(自身を除く): 33682068

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, 210, 420, 36451, 72902, 109353, 145804, 182255, 218706, 255157, 364510, 437412, 510314, 546765, 729020, 765471, 1020628, 1093530, 1275785, 1530942, 2187060, 2551570, 3061884, 3827355, 5103140, 7654710, 15309420]

約数ペア:

[(1, 15309420), (2, 7654710), (3, 5103140), (4, 3827355), (5, 3061884), (6, 2551570), (7, 2187060), (10, 1530942), (12, 1275785), (14, 1093530), (15, 1020628), (20, 765471), (21, 729020), (28, 546765), (30, 510314), (35, 437412), (42, 364510), (60, 255157), (70, 218706), (84, 182255), (105, 145804), (140, 109353), (210, 72902), (420, 36451)]