16985460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2161}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 47944512

約数和(自身を除く): 30959052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2161, 2620, 3930, 4322, 6483, 7860, 8644, 10805, 12966, 21610, 25932, 32415, 43220, 64830, 129660, 283091, 566182, 849273, 1132364, 1415455, 1698546, 2830910, 3397092, 4246365, 5661820, 8492730, 16985460]

約数ペア:

[(1, 16985460), (2, 8492730), (3, 5661820), (4, 4246365), (5, 3397092), (6, 2830910), (10, 1698546), (12, 1415455), (15, 1132364), (20, 849273), (30, 566182), (60, 283091), (131, 129660), (262, 64830), (393, 43220), (524, 32415), (655, 25932), (786, 21610), (1310, 12966), (1572, 10805), (1965, 8644), (2161, 7860), (2620, 6483), (3930, 4322)]