84651420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28793}}^1$

素因数の和:28819

約数の個数: 72

約数和(自身を含む): 275731344

約数和(自身を除く): 191079924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28793, 57586, 86379, 115172, 143965, 172758, 201551, 287930, 345516, 403102, 431895, 575860, 604653, 806204, 863790, 1007755, 1209306, 1410857, 1727580, 2015510, 2418612, 2821714, 3023265, 4031020, 4232571, 5643428, 6046530, 7054285, 8465142, 12093060, 14108570, 16930284, 21162855, 28217140, 42325710, 84651420]

約数ペア:

[(1, 84651420), (2, 42325710), (3, 28217140), (4, 21162855), (5, 16930284), (6, 14108570), (7, 12093060), (10, 8465142), (12, 7054285), (14, 6046530), (15, 5643428), (20, 4232571), (21, 4031020), (28, 3023265), (30, 2821714), (35, 2418612), (42, 2015510), (49, 1727580), (60, 1410857), (70, 1209306), (84, 1007755), (98, 863790), (105, 806204), (140, 604653), (147, 575860), (196, 431895), (210, 403102), (245, 345516), (294, 287930), (420, 201551), (490, 172758), (588, 143965), (735, 115172), (980, 86379), (1470, 57586), (2940, 28793)]