78622020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{757}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 239215704

約数和(自身を除く): 160593684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 577, 757, 1154, 1514, 1731, 2271, 2308, 2885, 3028, 3462, 3785, 4542, 5193, 5770, 6813, 6924, 7570, 8655, 9084, 10386, 11355, 11540, 13626, 15140, 17310, 20772, 22710, 25965, 27252, 34065, 34620, 45420, 51930, 68130, 103860, 136260, 436789, 873578, 1310367, 1747156, 2183945, 2620734, 3931101, 4367890, 5241468, 6551835, 7862202, 8735780, 13103670, 15724404, 19655505, 26207340, 39311010, 78622020]

約数ペア:

[(1, 78622020), (2, 39311010), (3, 26207340), (4, 19655505), (5, 15724404), (6, 13103670), (9, 8735780), (10, 7862202), (12, 6551835), (15, 5241468), (18, 4367890), (20, 3931101), (30, 2620734), (36, 2183945), (45, 1747156), (60, 1310367), (90, 873578), (180, 436789), (577, 136260), (757, 103860), (1154, 68130), (1514, 51930), (1731, 45420), (2271, 34620), (2308, 34065), (2885, 27252), (3028, 25965), (3462, 22710), (3785, 20772), (4542, 17310), (5193, 15140), (5770, 13626), (6813, 11540), (6924, 11355), (7570, 10386), (8655, 9084)]