84840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 293760

約数和(自身を除く): 208920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 404, 420, 505, 606, 707, 808, 840, 1010, 1212, 1414, 1515, 2020, 2121, 2424, 2828, 3030, 3535, 4040, 4242, 5656, 6060, 7070, 8484, 10605, 12120, 14140, 16968, 21210, 28280, 42420, 84840]

約数ペア:

[(1, 84840), (2, 42420), (3, 28280), (4, 21210), (5, 16968), (6, 14140), (7, 12120), (8, 10605), (10, 8484), (12, 7070), (14, 6060), (15, 5656), (20, 4242), (21, 4040), (24, 3535), (28, 3030), (30, 2828), (35, 2424), (40, 2121), (42, 2020), (56, 1515), (60, 1414), (70, 1212), (84, 1010), (101, 840), (105, 808), (120, 707), (140, 606), (168, 505), (202, 420), (210, 404), (280, 303)]