78443460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3181}}^1$

素因数の和:3333

約数の個数: 72

約数和(自身を含む): 239757336

約数和(自身を除く): 161313876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 3181, 4110, 4932, 6165, 6362, 8220, 9543, 12330, 12724, 15905, 19086, 24660, 28629, 31810, 38172, 47715, 57258, 63620, 95430, 114516, 143145, 190860, 286290, 435797, 572580, 871594, 1307391, 1743188, 2178985, 2614782, 3922173, 4357970, 5229564, 6536955, 7844346, 8715940, 13073910, 15688692, 19610865, 26147820, 39221730, 78443460]

約数ペア:

[(1, 78443460), (2, 39221730), (3, 26147820), (4, 19610865), (5, 15688692), (6, 13073910), (9, 8715940), (10, 7844346), (12, 6536955), (15, 5229564), (18, 4357970), (20, 3922173), (30, 2614782), (36, 2178985), (45, 1743188), (60, 1307391), (90, 871594), (137, 572580), (180, 435797), (274, 286290), (411, 190860), (548, 143145), (685, 114516), (822, 95430), (1233, 63620), (1370, 57258), (1644, 47715), (2055, 38172), (2466, 31810), (2740, 28629), (3181, 24660), (4110, 19086), (4932, 15905), (6165, 12724), (6362, 12330), (8220, 9543)]