15990730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7369}}^1$

素因数の和:7414

約数の個数: 32

約数和(自身を含む): 33960960

約数和(自身を除く): 17970230

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 7369, 14738, 36845, 51583, 73690, 103166, 228439, 257915, 456878, 515830, 1142195, 1599073, 2284390, 3198146, 7995365, 15990730]

約数ペア:

[(1, 15990730), (2, 7995365), (5, 3198146), (7, 2284390), (10, 1599073), (14, 1142195), (31, 515830), (35, 456878), (62, 257915), (70, 228439), (155, 103166), (217, 73690), (310, 51583), (434, 36845), (1085, 14738), (2170, 7369)]