87879420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15749}}^1$

素因数の和:15795

約数の個数: 72

約数和(自身を含む): 275184000

約数和(自身を除く): 187304580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 15749, 31498, 47247, 62996, 78745, 94494, 141741, 157490, 188988, 236235, 283482, 314980, 472470, 488219, 566964, 708705, 944940, 976438, 1417410, 1464657, 1952876, 2441095, 2834820, 2929314, 4393971, 4882190, 5858628, 7323285, 8787942, 9764380, 14646570, 17575884, 21969855, 29293140, 43939710, 87879420]

約数ペア:

[(1, 87879420), (2, 43939710), (3, 29293140), (4, 21969855), (5, 17575884), (6, 14646570), (9, 9764380), (10, 8787942), (12, 7323285), (15, 5858628), (18, 4882190), (20, 4393971), (30, 2929314), (31, 2834820), (36, 2441095), (45, 1952876), (60, 1464657), (62, 1417410), (90, 976438), (93, 944940), (124, 708705), (155, 566964), (180, 488219), (186, 472470), (279, 314980), (310, 283482), (372, 236235), (465, 188988), (558, 157490), (620, 141741), (930, 94494), (1116, 78745), (1395, 62996), (1860, 47247), (2790, 31498), (5580, 15749)]