47808540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20431}}^1$

素因数の和:20459

約数の個数: 72

約数和(自身を含む): 156182208

約数和(自身を除く): 108373668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 20431, 40862, 61293, 81724, 102155, 122586, 183879, 204310, 245172, 265603, 306465, 367758, 408620, 531206, 612930, 735516, 796809, 919395, 1062412, 1225860, 1328015, 1593618, 1838790, 2390427, 2656030, 3187236, 3677580, 3984045, 4780854, 5312060, 7968090, 9561708, 11952135, 15936180, 23904270, 47808540]

約数ペア:

[(1, 47808540), (2, 23904270), (3, 15936180), (4, 11952135), (5, 9561708), (6, 7968090), (9, 5312060), (10, 4780854), (12, 3984045), (13, 3677580), (15, 3187236), (18, 2656030), (20, 2390427), (26, 1838790), (30, 1593618), (36, 1328015), (39, 1225860), (45, 1062412), (52, 919395), (60, 796809), (65, 735516), (78, 612930), (90, 531206), (117, 408620), (130, 367758), (156, 306465), (180, 265603), (195, 245172), (234, 204310), (260, 183879), (390, 122586), (468, 102155), (585, 81724), (780, 61293), (1170, 40862), (2340, 20431)]