12756780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 39063024

約数和(自身を除く): 26306244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 541, 655, 786, 1082, 1179, 1310, 1572, 1623, 1965, 2164, 2358, 2620, 2705, 3246, 3930, 4716, 4869, 5410, 5895, 6492, 7860, 8115, 9738, 10820, 11790, 16230, 19476, 23580, 24345, 32460, 48690, 70871, 97380, 141742, 212613, 283484, 354355, 425226, 637839, 708710, 850452, 1063065, 1275678, 1417420, 2126130, 2551356, 3189195, 4252260, 6378390, 12756780]

約数ペア:

[(1, 12756780), (2, 6378390), (3, 4252260), (4, 3189195), (5, 2551356), (6, 2126130), (9, 1417420), (10, 1275678), (12, 1063065), (15, 850452), (18, 708710), (20, 637839), (30, 425226), (36, 354355), (45, 283484), (60, 212613), (90, 141742), (131, 97380), (180, 70871), (262, 48690), (393, 32460), (524, 24345), (541, 23580), (655, 19476), (786, 16230), (1082, 11790), (1179, 10820), (1310, 9738), (1572, 8115), (1623, 7860), (1965, 6492), (2164, 5895), (2358, 5410), (2620, 4869), (2705, 4716), (3246, 3930)]