30971590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 63431424

約数和(自身を除く): 32459834

約数列:

[1, 2, 5, 10, 13, 26, 37, 47, 65, 74, 94, 130, 137, 185, 235, 274, 370, 470, 481, 611, 685, 962, 1222, 1370, 1739, 1781, 2405, 3055, 3478, 3562, 4810, 5069, 6110, 6439, 8695, 8905, 10138, 12878, 17390, 17810, 22607, 25345, 32195, 45214, 50690, 64390, 65897, 83707, 113035, 131794, 167414, 226070, 238243, 329485, 418535, 476486, 658970, 837070, 1191215, 2382430, 3097159, 6194318, 15485795, 30971590]

約数ペア:

[(1, 30971590), (2, 15485795), (5, 6194318), (10, 3097159), (13, 2382430), (26, 1191215), (37, 837070), (47, 658970), (65, 476486), (74, 418535), (94, 329485), (130, 238243), (137, 226070), (185, 167414), (235, 131794), (274, 113035), (370, 83707), (470, 65897), (481, 64390), (611, 50690), (685, 45214), (962, 32195), (1222, 25345), (1370, 22607), (1739, 17810), (1781, 17390), (2405, 12878), (3055, 10138), (3478, 8905), (3562, 8695), (4810, 6439), (5069, 6110)]