87072720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{51829}}^1$

素因数の和:51852

約数の個数: 80

約数和(自身を含む): 308492160

約数和(自身を除く): 221419440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 51829, 103658, 155487, 207316, 259145, 310974, 362803, 414632, 518290, 621948, 725606, 777435, 829264, 1036580, 1088409, 1243896, 1451212, 1554870, 1814015, 2073160, 2176818, 2487792, 2902424, 3109740, 3628030, 4146320, 4353636, 5442045, 5804848, 6219480, 7256060, 8707272, 10884090, 12438960, 14512120, 17414544, 21768180, 29024240, 43536360, 87072720]

約数ペア:

[(1, 87072720), (2, 43536360), (3, 29024240), (4, 21768180), (5, 17414544), (6, 14512120), (7, 12438960), (8, 10884090), (10, 8707272), (12, 7256060), (14, 6219480), (15, 5804848), (16, 5442045), (20, 4353636), (21, 4146320), (24, 3628030), (28, 3109740), (30, 2902424), (35, 2487792), (40, 2176818), (42, 2073160), (48, 1814015), (56, 1554870), (60, 1451212), (70, 1243896), (80, 1088409), (84, 1036580), (105, 829264), (112, 777435), (120, 725606), (140, 621948), (168, 518290), (210, 414632), (240, 362803), (280, 310974), (336, 259145), (420, 207316), (560, 155487), (840, 103658), (1680, 51829)]