15810620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3690

約数の個数: 48

約数和(自身を含む): 39180288

約数和(自身を除く): 23369668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3643, 4340, 7286, 14572, 18215, 25501, 36430, 51002, 72860, 102004, 112933, 127505, 225866, 255010, 451732, 510020, 564665, 790531, 1129330, 1581062, 2258660, 3162124, 3952655, 7905310, 15810620]

約数ペア:

[(1, 15810620), (2, 7905310), (4, 3952655), (5, 3162124), (7, 2258660), (10, 1581062), (14, 1129330), (20, 790531), (28, 564665), (31, 510020), (35, 451732), (62, 255010), (70, 225866), (124, 127505), (140, 112933), (155, 102004), (217, 72860), (310, 51002), (434, 36430), (620, 25501), (868, 18215), (1085, 14572), (2170, 7286), (3643, 4340)]