78674820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9859}}^1$

素因数の和:9897

約数の個数: 96

約数和(自身を含む): 265036800

約数和(自身を除く): 186361980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 9859, 19718, 29577, 39436, 49295, 59154, 69013, 98590, 118308, 138026, 147885, 187321, 197180, 207039, 276052, 295770, 345065, 374642, 414078, 561963, 591540, 690130, 749284, 828156, 936605, 1035195, 1123926, 1311247, 1380260, 1873210, 2070390, 2247852, 2622494, 2809815, 3746420, 3933741, 4140780, 5244988, 5619630, 6556235, 7867482, 11239260, 13112470, 15734964, 19668705, 26224940, 39337410, 78674820]

約数ペア:

[(1, 78674820), (2, 39337410), (3, 26224940), (4, 19668705), (5, 15734964), (6, 13112470), (7, 11239260), (10, 7867482), (12, 6556235), (14, 5619630), (15, 5244988), (19, 4140780), (20, 3933741), (21, 3746420), (28, 2809815), (30, 2622494), (35, 2247852), (38, 2070390), (42, 1873210), (57, 1380260), (60, 1311247), (70, 1123926), (76, 1035195), (84, 936605), (95, 828156), (105, 749284), (114, 690130), (133, 591540), (140, 561963), (190, 414078), (210, 374642), (228, 345065), (266, 295770), (285, 276052), (380, 207039), (399, 197180), (420, 187321), (532, 147885), (570, 138026), (665, 118308), (798, 98590), (1140, 69013), (1330, 59154), (1596, 49295), (1995, 39436), (2660, 29577), (3990, 19718), (7980, 9859)]