78779340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1627}}^1$

素因数の和:1911

約数の個数: 72

約数和(自身を含む): 239999760

約数和(自身を除く): 161220420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 1627, 2421, 2690, 3228, 3254, 4035, 4842, 4881, 5380, 6508, 8070, 8135, 9684, 9762, 12105, 14643, 16140, 16270, 19524, 24210, 24405, 29286, 32540, 48420, 48810, 58572, 73215, 97620, 146430, 292860, 437663, 875326, 1312989, 1750652, 2188315, 2625978, 3938967, 4376630, 5251956, 6564945, 7877934, 8753260, 13129890, 15755868, 19694835, 26259780, 39389670, 78779340]

約数ペア:

[(1, 78779340), (2, 39389670), (3, 26259780), (4, 19694835), (5, 15755868), (6, 13129890), (9, 8753260), (10, 7877934), (12, 6564945), (15, 5251956), (18, 4376630), (20, 3938967), (30, 2625978), (36, 2188315), (45, 1750652), (60, 1312989), (90, 875326), (180, 437663), (269, 292860), (538, 146430), (807, 97620), (1076, 73215), (1345, 58572), (1614, 48810), (1627, 48420), (2421, 32540), (2690, 29286), (3228, 24405), (3254, 24210), (4035, 19524), (4842, 16270), (4881, 16140), (5380, 14643), (6508, 12105), (8070, 9762), (8135, 9684)]